2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
140 /* A point in time */
142 long sec; /* Assuming this is >= 32 bits */
143 int ms; /* Assuming this is >= 16 bits */
146 int establish P((void));
147 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
148 char *buf, int count, int error));
149 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
150 char *buf, int count, int error));
151 void ics_printf P((char *format, ...));
152 void SendToICS P((char *s));
153 void SendToICSDelayed P((char *s, long msdelay));
154 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
156 void HandleMachineMove P((char *message, ChessProgramState *cps));
157 int AutoPlayOneMove P((void));
158 int LoadGameOneMove P((ChessMove readAhead));
159 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
160 int LoadPositionFromFile P((char *filename, int n, char *title));
161 int SavePositionToFile P((char *filename));
162 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 int Adjudicate P((ChessProgramState *cps));
171 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
172 void EditPositionDone P((Boolean fakeRights));
173 void PrintOpponents P((FILE *fp));
174 void PrintPosition P((FILE *fp, int move));
175 void StartChessProgram P((ChessProgramState *cps));
176 void SendToProgram P((char *message, ChessProgramState *cps));
177 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
178 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
179 char *buf, int count, int error));
180 void SendTimeControl P((ChessProgramState *cps,
181 int mps, long tc, int inc, int sd, int st));
182 char *TimeControlTagValue P((void));
183 void Attention P((ChessProgramState *cps));
184 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
185 void ResurrectChessProgram P((void));
186 void DisplayComment P((int moveNumber, char *text));
187 void DisplayMove P((int moveNumber));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void KeepAlive P((void));
192 void StartClocks P((void));
193 void SwitchClocks P((int nr));
194 void StopClocks P((void));
195 void ResetClocks P((void));
196 char *PGNDate P((void));
197 void SetGameInfo P((void));
198 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 void GetTimeMark P((TimeMark *));
208 long SubtractTimeMarks P((TimeMark *, TimeMark *));
209 int CheckFlags P((void));
210 long NextTickLength P((long));
211 void CheckTimeControl P((void));
212 void show_bytes P((FILE *, char *, int));
213 int string_to_rating P((char *str));
214 void ParseFeatures P((char* args, ChessProgramState *cps));
215 void InitBackEnd3 P((void));
216 void FeatureDone P((ChessProgramState* cps, int val));
217 void InitChessProgram P((ChessProgramState *cps, int setup));
218 void OutputKibitz(int window, char *text);
219 int PerpetualChase(int first, int last);
220 int EngineOutputIsUp();
221 void InitDrawingSizes(int x, int y);
224 extern void ConsoleCreate();
227 ChessProgramState *WhitePlayer();
228 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
229 int VerifyDisplayMode P(());
231 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
232 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
233 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
234 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
235 void ics_update_width P((int new_width));
236 extern char installDir[MSG_SIZ];
238 extern int tinyLayout, smallLayout;
239 ChessProgramStats programStats;
240 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
242 static int exiting = 0; /* [HGM] moved to top */
243 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
244 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
245 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
246 int partnerHighlight[2];
247 Boolean partnerBoardValid = 0;
248 char partnerStatus[MSG_SIZ];
250 Boolean originalFlip;
251 Boolean twoBoards = 0;
252 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
253 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
254 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
255 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
256 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
257 int opponentKibitzes;
258 int lastSavedGame; /* [HGM] save: ID of game */
259 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
260 extern int chatCount;
262 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
264 /* States for ics_getting_history */
266 #define H_REQUESTED 1
267 #define H_GOT_REQ_HEADER 2
268 #define H_GOT_UNREQ_HEADER 3
269 #define H_GETTING_MOVES 4
270 #define H_GOT_UNWANTED_HEADER 5
272 /* whosays values for GameEnds */
281 /* Maximum number of games in a cmail message */
282 #define CMAIL_MAX_GAMES 20
284 /* Different types of move when calling RegisterMove */
286 #define CMAIL_RESIGN 1
288 #define CMAIL_ACCEPT 3
290 /* Different types of result to remember for each game */
291 #define CMAIL_NOT_RESULT 0
292 #define CMAIL_OLD_RESULT 1
293 #define CMAIL_NEW_RESULT 2
295 /* Telnet protocol constants */
306 static char * safeStrCpy( char * dst, const char * src, size_t count )
308 assert( dst != NULL );
309 assert( src != NULL );
312 strncpy( dst, src, count );
313 dst[ count-1 ] = '\0';
317 /* Some compiler can't cast u64 to double
318 * This function do the job for us:
320 * We use the highest bit for cast, this only
321 * works if the highest bit is not
322 * in use (This should not happen)
324 * We used this for all compiler
327 u64ToDouble(u64 value)
330 u64 tmp = value & u64Const(0x7fffffffffffffff);
331 r = (double)(s64)tmp;
332 if (value & u64Const(0x8000000000000000))
333 r += 9.2233720368547758080e18; /* 2^63 */
337 /* Fake up flags for now, as we aren't keeping track of castling
338 availability yet. [HGM] Change of logic: the flag now only
339 indicates the type of castlings allowed by the rule of the game.
340 The actual rights themselves are maintained in the array
341 castlingRights, as part of the game history, and are not probed
347 int flags = F_ALL_CASTLE_OK;
348 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
349 switch (gameInfo.variant) {
351 flags &= ~F_ALL_CASTLE_OK;
352 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
353 flags |= F_IGNORE_CHECK;
355 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
358 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
360 case VariantKriegspiel:
361 flags |= F_KRIEGSPIEL_CAPTURE;
363 case VariantCapaRandom:
364 case VariantFischeRandom:
365 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
366 case VariantNoCastle:
367 case VariantShatranj:
370 flags &= ~F_ALL_CASTLE_OK;
378 FILE *gameFileFP, *debugFP;
381 [AS] Note: sometimes, the sscanf() function is used to parse the input
382 into a fixed-size buffer. Because of this, we must be prepared to
383 receive strings as long as the size of the input buffer, which is currently
384 set to 4K for Windows and 8K for the rest.
385 So, we must either allocate sufficiently large buffers here, or
386 reduce the size of the input buffer in the input reading part.
389 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
390 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
391 char thinkOutput1[MSG_SIZ*10];
393 ChessProgramState first, second;
395 /* premove variables */
398 int premoveFromX = 0;
399 int premoveFromY = 0;
400 int premovePromoChar = 0;
402 Boolean alarmSounded;
403 /* end premove variables */
405 char *ics_prefix = "$";
406 int ics_type = ICS_GENERIC;
408 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
409 int pauseExamForwardMostMove = 0;
410 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
411 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
412 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
413 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
414 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
415 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
416 int whiteFlag = FALSE, blackFlag = FALSE;
417 int userOfferedDraw = FALSE;
418 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
419 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
420 int cmailMoveType[CMAIL_MAX_GAMES];
421 long ics_clock_paused = 0;
422 ProcRef icsPR = NoProc, cmailPR = NoProc;
423 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
424 GameMode gameMode = BeginningOfGame;
425 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
426 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
427 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
428 int hiddenThinkOutputState = 0; /* [AS] */
429 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
430 int adjudicateLossPlies = 6;
431 char white_holding[64], black_holding[64];
432 TimeMark lastNodeCountTime;
433 long lastNodeCount=0;
434 int have_sent_ICS_logon = 0;
436 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
437 long timeControl_2; /* [AS] Allow separate time controls */
438 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
439 long timeRemaining[2][MAX_MOVES];
441 TimeMark programStartTime;
442 char ics_handle[MSG_SIZ];
443 int have_set_title = 0;
445 /* animateTraining preserves the state of appData.animate
446 * when Training mode is activated. This allows the
447 * response to be animated when appData.animate == TRUE and
448 * appData.animateDragging == TRUE.
450 Boolean animateTraining;
456 Board boards[MAX_MOVES];
457 /* [HGM] Following 7 needed for accurate legality tests: */
458 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
459 signed char initialRights[BOARD_FILES];
460 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
461 int initialRulePlies, FENrulePlies;
462 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
465 int mute; // mute all sounds
467 // [HGM] vari: next 12 to save and restore variations
468 #define MAX_VARIATIONS 10
469 int framePtr = MAX_MOVES-1; // points to free stack entry
471 int savedFirst[MAX_VARIATIONS];
472 int savedLast[MAX_VARIATIONS];
473 int savedFramePtr[MAX_VARIATIONS];
474 char *savedDetails[MAX_VARIATIONS];
475 ChessMove savedResult[MAX_VARIATIONS];
477 void PushTail P((int firstMove, int lastMove));
478 Boolean PopTail P((Boolean annotate));
479 void CleanupTail P((void));
481 ChessSquare FIDEArray[2][BOARD_FILES] = {
482 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
483 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
484 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
485 BlackKing, BlackBishop, BlackKnight, BlackRook }
488 ChessSquare twoKingsArray[2][BOARD_FILES] = {
489 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
490 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
491 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
492 BlackKing, BlackKing, BlackKnight, BlackRook }
495 ChessSquare KnightmateArray[2][BOARD_FILES] = {
496 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
497 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
498 { BlackRook, BlackMan, BlackBishop, BlackQueen,
499 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
502 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
503 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
504 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
505 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
506 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
509 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
510 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
511 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
512 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
513 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
516 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
517 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
518 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
519 { BlackRook, BlackKnight, BlackMan, BlackFerz,
520 BlackKing, BlackMan, BlackKnight, BlackRook }
524 #if (BOARD_FILES>=10)
525 ChessSquare ShogiArray[2][BOARD_FILES] = {
526 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
527 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
528 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
529 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
532 ChessSquare XiangqiArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
534 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
535 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
536 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
539 ChessSquare CapablancaArray[2][BOARD_FILES] = {
540 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
541 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
542 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
543 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
546 ChessSquare GreatArray[2][BOARD_FILES] = {
547 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
548 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
549 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
550 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
553 ChessSquare JanusArray[2][BOARD_FILES] = {
554 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
555 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
556 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
557 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
561 ChessSquare GothicArray[2][BOARD_FILES] = {
562 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
563 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
564 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
565 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
568 #define GothicArray CapablancaArray
572 ChessSquare FalconArray[2][BOARD_FILES] = {
573 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
574 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
575 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
576 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
579 #define FalconArray CapablancaArray
582 #else // !(BOARD_FILES>=10)
583 #define XiangqiPosition FIDEArray
584 #define CapablancaArray FIDEArray
585 #define GothicArray FIDEArray
586 #define GreatArray FIDEArray
587 #endif // !(BOARD_FILES>=10)
589 #if (BOARD_FILES>=12)
590 ChessSquare CourierArray[2][BOARD_FILES] = {
591 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
592 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
593 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
594 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
596 #else // !(BOARD_FILES>=12)
597 #define CourierArray CapablancaArray
598 #endif // !(BOARD_FILES>=12)
601 Board initialPosition;
604 /* Convert str to a rating. Checks for special cases of "----",
606 "++++", etc. Also strips ()'s */
608 string_to_rating(str)
611 while(*str && !isdigit(*str)) ++str;
613 return 0; /* One of the special "no rating" cases */
621 /* Init programStats */
622 programStats.movelist[0] = 0;
623 programStats.depth = 0;
624 programStats.nr_moves = 0;
625 programStats.moves_left = 0;
626 programStats.nodes = 0;
627 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
628 programStats.score = 0;
629 programStats.got_only_move = 0;
630 programStats.got_fail = 0;
631 programStats.line_is_book = 0;
637 int matched, min, sec;
639 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
641 GetTimeMark(&programStartTime);
642 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
645 programStats.ok_to_send = 1;
646 programStats.seen_stat = 0;
649 * Initialize game list
655 * Internet chess server status
657 if (appData.icsActive) {
658 appData.matchMode = FALSE;
659 appData.matchGames = 0;
661 appData.noChessProgram = !appData.zippyPlay;
663 appData.zippyPlay = FALSE;
664 appData.zippyTalk = FALSE;
665 appData.noChessProgram = TRUE;
667 if (*appData.icsHelper != NULLCHAR) {
668 appData.useTelnet = TRUE;
669 appData.telnetProgram = appData.icsHelper;
672 appData.zippyTalk = appData.zippyPlay = FALSE;
675 /* [AS] Initialize pv info list [HGM] and game state */
679 for( i=0; i<=framePtr; i++ ) {
680 pvInfoList[i].depth = -1;
681 boards[i][EP_STATUS] = EP_NONE;
682 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
687 * Parse timeControl resource
689 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
690 appData.movesPerSession)) {
692 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
693 DisplayFatalError(buf, 0, 2);
697 * Parse searchTime resource
699 if (*appData.searchTime != NULLCHAR) {
700 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
702 searchTime = min * 60;
703 } else if (matched == 2) {
704 searchTime = min * 60 + sec;
707 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
708 DisplayFatalError(buf, 0, 2);
712 /* [AS] Adjudication threshold */
713 adjudicateLossThreshold = appData.adjudicateLossThreshold;
715 first.which = "first";
716 second.which = "second";
717 first.maybeThinking = second.maybeThinking = FALSE;
718 first.pr = second.pr = NoProc;
719 first.isr = second.isr = NULL;
720 first.sendTime = second.sendTime = 2;
721 first.sendDrawOffers = 1;
722 if (appData.firstPlaysBlack) {
723 first.twoMachinesColor = "black\n";
724 second.twoMachinesColor = "white\n";
726 first.twoMachinesColor = "white\n";
727 second.twoMachinesColor = "black\n";
729 first.program = appData.firstChessProgram;
730 second.program = appData.secondChessProgram;
731 first.host = appData.firstHost;
732 second.host = appData.secondHost;
733 first.dir = appData.firstDirectory;
734 second.dir = appData.secondDirectory;
735 first.other = &second;
736 second.other = &first;
737 first.initString = appData.initString;
738 second.initString = appData.secondInitString;
739 first.computerString = appData.firstComputerString;
740 second.computerString = appData.secondComputerString;
741 first.useSigint = second.useSigint = TRUE;
742 first.useSigterm = second.useSigterm = TRUE;
743 first.reuse = appData.reuseFirst;
744 second.reuse = appData.reuseSecond;
745 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
746 second.nps = appData.secondNPS;
747 first.useSetboard = second.useSetboard = FALSE;
748 first.useSAN = second.useSAN = FALSE;
749 first.usePing = second.usePing = FALSE;
750 first.lastPing = second.lastPing = 0;
751 first.lastPong = second.lastPong = 0;
752 first.usePlayother = second.usePlayother = FALSE;
753 first.useColors = second.useColors = TRUE;
754 first.useUsermove = second.useUsermove = FALSE;
755 first.sendICS = second.sendICS = FALSE;
756 first.sendName = second.sendName = appData.icsActive;
757 first.sdKludge = second.sdKludge = FALSE;
758 first.stKludge = second.stKludge = FALSE;
759 TidyProgramName(first.program, first.host, first.tidy);
760 TidyProgramName(second.program, second.host, second.tidy);
761 first.matchWins = second.matchWins = 0;
762 strcpy(first.variants, appData.variant);
763 strcpy(second.variants, appData.variant);
764 first.analysisSupport = second.analysisSupport = 2; /* detect */
765 first.analyzing = second.analyzing = FALSE;
766 first.initDone = second.initDone = FALSE;
768 /* New features added by Tord: */
769 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
770 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
771 /* End of new features added by Tord. */
772 first.fenOverride = appData.fenOverride1;
773 second.fenOverride = appData.fenOverride2;
775 /* [HGM] time odds: set factor for each machine */
776 first.timeOdds = appData.firstTimeOdds;
777 second.timeOdds = appData.secondTimeOdds;
779 if(appData.timeOddsMode) {
780 norm = first.timeOdds;
781 if(norm > second.timeOdds) norm = second.timeOdds;
783 first.timeOdds /= norm;
784 second.timeOdds /= norm;
787 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
788 first.accumulateTC = appData.firstAccumulateTC;
789 second.accumulateTC = appData.secondAccumulateTC;
790 first.maxNrOfSessions = second.maxNrOfSessions = 1;
793 first.debug = second.debug = FALSE;
794 first.supportsNPS = second.supportsNPS = UNKNOWN;
797 first.optionSettings = appData.firstOptions;
798 second.optionSettings = appData.secondOptions;
800 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
801 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
802 first.isUCI = appData.firstIsUCI; /* [AS] */
803 second.isUCI = appData.secondIsUCI; /* [AS] */
804 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
805 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
807 if (appData.firstProtocolVersion > PROTOVER ||
808 appData.firstProtocolVersion < 1) {
810 sprintf(buf, _("protocol version %d not supported"),
811 appData.firstProtocolVersion);
812 DisplayFatalError(buf, 0, 2);
814 first.protocolVersion = appData.firstProtocolVersion;
817 if (appData.secondProtocolVersion > PROTOVER ||
818 appData.secondProtocolVersion < 1) {
820 sprintf(buf, _("protocol version %d not supported"),
821 appData.secondProtocolVersion);
822 DisplayFatalError(buf, 0, 2);
824 second.protocolVersion = appData.secondProtocolVersion;
827 if (appData.icsActive) {
828 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
829 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
830 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
831 appData.clockMode = FALSE;
832 first.sendTime = second.sendTime = 0;
836 /* Override some settings from environment variables, for backward
837 compatibility. Unfortunately it's not feasible to have the env
838 vars just set defaults, at least in xboard. Ugh.
840 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
845 if (appData.noChessProgram) {
846 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
847 sprintf(programVersion, "%s", PACKAGE_STRING);
849 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
850 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
851 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
854 if (!appData.icsActive) {
856 /* Check for variants that are supported only in ICS mode,
857 or not at all. Some that are accepted here nevertheless
858 have bugs; see comments below.
860 VariantClass variant = StringToVariant(appData.variant);
862 case VariantBughouse: /* need four players and two boards */
863 case VariantKriegspiel: /* need to hide pieces and move details */
864 /* case VariantFischeRandom: (Fabien: moved below) */
865 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
866 DisplayFatalError(buf, 0, 2);
870 case VariantLoadable:
880 sprintf(buf, _("Unknown variant name %s"), appData.variant);
881 DisplayFatalError(buf, 0, 2);
884 case VariantXiangqi: /* [HGM] repetition rules not implemented */
885 case VariantFairy: /* [HGM] TestLegality definitely off! */
886 case VariantGothic: /* [HGM] should work */
887 case VariantCapablanca: /* [HGM] should work */
888 case VariantCourier: /* [HGM] initial forced moves not implemented */
889 case VariantShogi: /* [HGM] drops not tested for legality */
890 case VariantKnightmate: /* [HGM] should work */
891 case VariantCylinder: /* [HGM] untested */
892 case VariantFalcon: /* [HGM] untested */
893 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
894 offboard interposition not understood */
895 case VariantNormal: /* definitely works! */
896 case VariantWildCastle: /* pieces not automatically shuffled */
897 case VariantNoCastle: /* pieces not automatically shuffled */
898 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
899 case VariantLosers: /* should work except for win condition,
900 and doesn't know captures are mandatory */
901 case VariantSuicide: /* should work except for win condition,
902 and doesn't know captures are mandatory */
903 case VariantGiveaway: /* should work except for win condition,
904 and doesn't know captures are mandatory */
905 case VariantTwoKings: /* should work */
906 case VariantAtomic: /* should work except for win condition */
907 case Variant3Check: /* should work except for win condition */
908 case VariantShatranj: /* should work except for all win conditions */
909 case VariantMakruk: /* should work except for daw countdown */
910 case VariantBerolina: /* might work if TestLegality is off */
911 case VariantCapaRandom: /* should work */
912 case VariantJanus: /* should work */
913 case VariantSuper: /* experimental */
914 case VariantGreat: /* experimental, requires legality testing to be off */
919 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
920 InitEngineUCI( installDir, &second );
923 int NextIntegerFromString( char ** str, long * value )
928 while( *s == ' ' || *s == '\t' ) {
934 if( *s >= '0' && *s <= '9' ) {
935 while( *s >= '0' && *s <= '9' ) {
936 *value = *value * 10 + (*s - '0');
948 int NextTimeControlFromString( char ** str, long * value )
951 int result = NextIntegerFromString( str, &temp );
954 *value = temp * 60; /* Minutes */
957 result = NextIntegerFromString( str, &temp );
958 *value += temp; /* Seconds */
965 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
966 { /* [HGM] routine added to read '+moves/time' for secondary time control */
967 int result = -1; long temp, temp2;
969 if(**str != '+') return -1; // old params remain in force!
971 if( NextTimeControlFromString( str, &temp ) ) return -1;
974 /* time only: incremental or sudden-death time control */
975 if(**str == '+') { /* increment follows; read it */
977 if(result = NextIntegerFromString( str, &temp2)) return -1;
980 *moves = 0; *tc = temp * 1000;
982 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
984 (*str)++; /* classical time control */
985 result = NextTimeControlFromString( str, &temp2);
994 int GetTimeQuota(int movenr)
995 { /* [HGM] get time to add from the multi-session time-control string */
996 int moves=1; /* kludge to force reading of first session */
997 long time, increment;
998 char *s = fullTimeControlString;
1000 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
1002 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
1003 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1004 if(movenr == -1) return time; /* last move before new session */
1005 if(!moves) return increment; /* current session is incremental */
1006 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1007 } while(movenr >= -1); /* try again for next session */
1009 return 0; // no new time quota on this move
1013 ParseTimeControl(tc, ti, mps)
1022 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1025 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1026 else sprintf(buf, "+%s+%d", tc, ti);
1029 sprintf(buf, "+%d/%s", mps, tc);
1030 else sprintf(buf, "+%s", tc);
1032 fullTimeControlString = StrSave(buf);
1034 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1039 /* Parse second time control */
1042 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1050 timeControl_2 = tc2 * 1000;
1060 timeControl = tc1 * 1000;
1063 timeIncrement = ti * 1000; /* convert to ms */
1064 movesPerSession = 0;
1067 movesPerSession = mps;
1075 if (appData.debugMode) {
1076 fprintf(debugFP, "%s\n", programVersion);
1079 set_cont_sequence(appData.wrapContSeq);
1080 if (appData.matchGames > 0) {
1081 appData.matchMode = TRUE;
1082 } else if (appData.matchMode) {
1083 appData.matchGames = 1;
1085 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1086 appData.matchGames = appData.sameColorGames;
1087 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1088 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1089 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1092 if (appData.noChessProgram || first.protocolVersion == 1) {
1095 /* kludge: allow timeout for initial "feature" commands */
1097 DisplayMessage("", _("Starting chess program"));
1098 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1103 InitBackEnd3 P((void))
1105 GameMode initialMode;
1109 InitChessProgram(&first, startedFromSetupPosition);
1111 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1112 free(programVersion);
1113 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1114 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1117 if (appData.icsActive) {
1119 /* [DM] Make a console window if needed [HGM] merged ifs */
1124 if (*appData.icsCommPort != NULLCHAR) {
1125 sprintf(buf, _("Could not open comm port %s"),
1126 appData.icsCommPort);
1128 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1129 appData.icsHost, appData.icsPort);
1131 DisplayFatalError(buf, err, 1);
1136 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1138 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1139 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1140 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1141 } else if (appData.noChessProgram) {
1147 if (*appData.cmailGameName != NULLCHAR) {
1149 OpenLoopback(&cmailPR);
1151 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1155 DisplayMessage("", "");
1156 if (StrCaseCmp(appData.initialMode, "") == 0) {
1157 initialMode = BeginningOfGame;
1158 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1159 initialMode = TwoMachinesPlay;
1160 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1161 initialMode = AnalyzeFile;
1162 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1163 initialMode = AnalyzeMode;
1164 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1165 initialMode = MachinePlaysWhite;
1166 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1167 initialMode = MachinePlaysBlack;
1168 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1169 initialMode = EditGame;
1170 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1171 initialMode = EditPosition;
1172 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1173 initialMode = Training;
1175 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1176 DisplayFatalError(buf, 0, 2);
1180 if (appData.matchMode) {
1181 /* Set up machine vs. machine match */
1182 if (appData.noChessProgram) {
1183 DisplayFatalError(_("Can't have a match with no chess programs"),
1189 if (*appData.loadGameFile != NULLCHAR) {
1190 int index = appData.loadGameIndex; // [HGM] autoinc
1191 if(index<0) lastIndex = index = 1;
1192 if (!LoadGameFromFile(appData.loadGameFile,
1194 appData.loadGameFile, FALSE)) {
1195 DisplayFatalError(_("Bad game file"), 0, 1);
1198 } else if (*appData.loadPositionFile != NULLCHAR) {
1199 int index = appData.loadPositionIndex; // [HGM] autoinc
1200 if(index<0) lastIndex = index = 1;
1201 if (!LoadPositionFromFile(appData.loadPositionFile,
1203 appData.loadPositionFile)) {
1204 DisplayFatalError(_("Bad position file"), 0, 1);
1209 } else if (*appData.cmailGameName != NULLCHAR) {
1210 /* Set up cmail mode */
1211 ReloadCmailMsgEvent(TRUE);
1213 /* Set up other modes */
1214 if (initialMode == AnalyzeFile) {
1215 if (*appData.loadGameFile == NULLCHAR) {
1216 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1220 if (*appData.loadGameFile != NULLCHAR) {
1221 (void) LoadGameFromFile(appData.loadGameFile,
1222 appData.loadGameIndex,
1223 appData.loadGameFile, TRUE);
1224 } else if (*appData.loadPositionFile != NULLCHAR) {
1225 (void) LoadPositionFromFile(appData.loadPositionFile,
1226 appData.loadPositionIndex,
1227 appData.loadPositionFile);
1228 /* [HGM] try to make self-starting even after FEN load */
1229 /* to allow automatic setup of fairy variants with wtm */
1230 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1231 gameMode = BeginningOfGame;
1232 setboardSpoiledMachineBlack = 1;
1234 /* [HGM] loadPos: make that every new game uses the setup */
1235 /* from file as long as we do not switch variant */
1236 if(!blackPlaysFirst) {
1237 startedFromPositionFile = TRUE;
1238 CopyBoard(filePosition, boards[0]);
1241 if (initialMode == AnalyzeMode) {
1242 if (appData.noChessProgram) {
1243 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1246 if (appData.icsActive) {
1247 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1251 } else if (initialMode == AnalyzeFile) {
1252 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1253 ShowThinkingEvent();
1255 AnalysisPeriodicEvent(1);
1256 } else if (initialMode == MachinePlaysWhite) {
1257 if (appData.noChessProgram) {
1258 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1262 if (appData.icsActive) {
1263 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1267 MachineWhiteEvent();
1268 } else if (initialMode == MachinePlaysBlack) {
1269 if (appData.noChessProgram) {
1270 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1274 if (appData.icsActive) {
1275 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1279 MachineBlackEvent();
1280 } else if (initialMode == TwoMachinesPlay) {
1281 if (appData.noChessProgram) {
1282 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1286 if (appData.icsActive) {
1287 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1292 } else if (initialMode == EditGame) {
1294 } else if (initialMode == EditPosition) {
1295 EditPositionEvent();
1296 } else if (initialMode == Training) {
1297 if (*appData.loadGameFile == NULLCHAR) {
1298 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1307 * Establish will establish a contact to a remote host.port.
1308 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1309 * used to talk to the host.
1310 * Returns 0 if okay, error code if not.
1317 if (*appData.icsCommPort != NULLCHAR) {
1318 /* Talk to the host through a serial comm port */
1319 return OpenCommPort(appData.icsCommPort, &icsPR);
1321 } else if (*appData.gateway != NULLCHAR) {
1322 if (*appData.remoteShell == NULLCHAR) {
1323 /* Use the rcmd protocol to run telnet program on a gateway host */
1324 snprintf(buf, sizeof(buf), "%s %s %s",
1325 appData.telnetProgram, appData.icsHost, appData.icsPort);
1326 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1329 /* Use the rsh program to run telnet program on a gateway host */
1330 if (*appData.remoteUser == NULLCHAR) {
1331 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1332 appData.gateway, appData.telnetProgram,
1333 appData.icsHost, appData.icsPort);
1335 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1336 appData.remoteShell, appData.gateway,
1337 appData.remoteUser, appData.telnetProgram,
1338 appData.icsHost, appData.icsPort);
1340 return StartChildProcess(buf, "", &icsPR);
1343 } else if (appData.useTelnet) {
1344 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1347 /* TCP socket interface differs somewhat between
1348 Unix and NT; handle details in the front end.
1350 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1354 void EscapeExpand(char *p, char *q)
1355 { // [HGM] initstring: routine to shape up string arguments
1356 while(*p++ = *q++) if(p[-1] == '\\')
1358 case 'n': p[-1] = '\n'; break;
1359 case 'r': p[-1] = '\r'; break;
1360 case 't': p[-1] = '\t'; break;
1361 case '\\': p[-1] = '\\'; break;
1362 case 0: *p = 0; return;
1363 default: p[-1] = q[-1]; break;
1368 show_bytes(fp, buf, count)
1374 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1375 fprintf(fp, "\\%03o", *buf & 0xff);
1384 /* Returns an errno value */
1386 OutputMaybeTelnet(pr, message, count, outError)
1392 char buf[8192], *p, *q, *buflim;
1393 int left, newcount, outcount;
1395 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1396 *appData.gateway != NULLCHAR) {
1397 if (appData.debugMode) {
1398 fprintf(debugFP, ">ICS: ");
1399 show_bytes(debugFP, message, count);
1400 fprintf(debugFP, "\n");
1402 return OutputToProcess(pr, message, count, outError);
1405 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1412 if (appData.debugMode) {
1413 fprintf(debugFP, ">ICS: ");
1414 show_bytes(debugFP, buf, newcount);
1415 fprintf(debugFP, "\n");
1417 outcount = OutputToProcess(pr, buf, newcount, outError);
1418 if (outcount < newcount) return -1; /* to be sure */
1425 } else if (((unsigned char) *p) == TN_IAC) {
1426 *q++ = (char) TN_IAC;
1433 if (appData.debugMode) {
1434 fprintf(debugFP, ">ICS: ");
1435 show_bytes(debugFP, buf, newcount);
1436 fprintf(debugFP, "\n");
1438 outcount = OutputToProcess(pr, buf, newcount, outError);
1439 if (outcount < newcount) return -1; /* to be sure */
1444 read_from_player(isr, closure, message, count, error)
1451 int outError, outCount;
1452 static int gotEof = 0;
1454 /* Pass data read from player on to ICS */
1457 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1458 if (outCount < count) {
1459 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1461 } else if (count < 0) {
1462 RemoveInputSource(isr);
1463 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1464 } else if (gotEof++ > 0) {
1465 RemoveInputSource(isr);
1466 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1472 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1473 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1474 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1475 SendToICS("date\n");
1476 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1479 /* added routine for printf style output to ics */
1480 void ics_printf(char *format, ...)
1482 char buffer[MSG_SIZ];
1485 va_start(args, format);
1486 vsnprintf(buffer, sizeof(buffer), format, args);
1487 buffer[sizeof(buffer)-1] = '\0';
1496 int count, outCount, outError;
1498 if (icsPR == NULL) return;
1501 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1502 if (outCount < count) {
1503 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1507 /* This is used for sending logon scripts to the ICS. Sending
1508 without a delay causes problems when using timestamp on ICC
1509 (at least on my machine). */
1511 SendToICSDelayed(s,msdelay)
1515 int count, outCount, outError;
1517 if (icsPR == NULL) return;
1520 if (appData.debugMode) {
1521 fprintf(debugFP, ">ICS: ");
1522 show_bytes(debugFP, s, count);
1523 fprintf(debugFP, "\n");
1525 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1527 if (outCount < count) {
1528 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1533 /* Remove all highlighting escape sequences in s
1534 Also deletes any suffix starting with '('
1537 StripHighlightAndTitle(s)
1540 static char retbuf[MSG_SIZ];
1543 while (*s != NULLCHAR) {
1544 while (*s == '\033') {
1545 while (*s != NULLCHAR && !isalpha(*s)) s++;
1546 if (*s != NULLCHAR) s++;
1548 while (*s != NULLCHAR && *s != '\033') {
1549 if (*s == '(' || *s == '[') {
1560 /* Remove all highlighting escape sequences in s */
1565 static char retbuf[MSG_SIZ];
1568 while (*s != NULLCHAR) {
1569 while (*s == '\033') {
1570 while (*s != NULLCHAR && !isalpha(*s)) s++;
1571 if (*s != NULLCHAR) s++;
1573 while (*s != NULLCHAR && *s != '\033') {
1581 char *variantNames[] = VARIANT_NAMES;
1586 return variantNames[v];
1590 /* Identify a variant from the strings the chess servers use or the
1591 PGN Variant tag names we use. */
1598 VariantClass v = VariantNormal;
1599 int i, found = FALSE;
1604 /* [HGM] skip over optional board-size prefixes */
1605 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1606 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1607 while( *e++ != '_');
1610 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1614 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1615 if (StrCaseStr(e, variantNames[i])) {
1616 v = (VariantClass) i;
1623 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1624 || StrCaseStr(e, "wild/fr")
1625 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1626 v = VariantFischeRandom;
1627 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1628 (i = 1, p = StrCaseStr(e, "w"))) {
1630 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1637 case 0: /* FICS only, actually */
1639 /* Castling legal even if K starts on d-file */
1640 v = VariantWildCastle;
1645 /* Castling illegal even if K & R happen to start in
1646 normal positions. */
1647 v = VariantNoCastle;
1660 /* Castling legal iff K & R start in normal positions */
1666 /* Special wilds for position setup; unclear what to do here */
1667 v = VariantLoadable;
1670 /* Bizarre ICC game */
1671 v = VariantTwoKings;
1674 v = VariantKriegspiel;
1680 v = VariantFischeRandom;
1683 v = VariantCrazyhouse;
1686 v = VariantBughouse;
1692 /* Not quite the same as FICS suicide! */
1693 v = VariantGiveaway;
1699 v = VariantShatranj;
1702 /* Temporary names for future ICC types. The name *will* change in
1703 the next xboard/WinBoard release after ICC defines it. */
1741 v = VariantCapablanca;
1744 v = VariantKnightmate;
1750 v = VariantCylinder;
1756 v = VariantCapaRandom;
1759 v = VariantBerolina;
1771 /* Found "wild" or "w" in the string but no number;
1772 must assume it's normal chess. */
1776 sprintf(buf, _("Unknown wild type %d"), wnum);
1777 DisplayError(buf, 0);
1783 if (appData.debugMode) {
1784 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1785 e, wnum, VariantName(v));
1790 static int leftover_start = 0, leftover_len = 0;
1791 char star_match[STAR_MATCH_N][MSG_SIZ];
1793 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1794 advance *index beyond it, and set leftover_start to the new value of
1795 *index; else return FALSE. If pattern contains the character '*', it
1796 matches any sequence of characters not containing '\r', '\n', or the
1797 character following the '*' (if any), and the matched sequence(s) are
1798 copied into star_match.
1801 looking_at(buf, index, pattern)
1806 char *bufp = &buf[*index], *patternp = pattern;
1808 char *matchp = star_match[0];
1811 if (*patternp == NULLCHAR) {
1812 *index = leftover_start = bufp - buf;
1816 if (*bufp == NULLCHAR) return FALSE;
1817 if (*patternp == '*') {
1818 if (*bufp == *(patternp + 1)) {
1820 matchp = star_match[++star_count];
1824 } else if (*bufp == '\n' || *bufp == '\r') {
1826 if (*patternp == NULLCHAR)
1831 *matchp++ = *bufp++;
1835 if (*patternp != *bufp) return FALSE;
1842 SendToPlayer(data, length)
1846 int error, outCount;
1847 outCount = OutputToProcess(NoProc, data, length, &error);
1848 if (outCount < length) {
1849 DisplayFatalError(_("Error writing to display"), error, 1);
1854 PackHolding(packed, holding)
1866 switch (runlength) {
1877 sprintf(q, "%d", runlength);
1889 /* Telnet protocol requests from the front end */
1891 TelnetRequest(ddww, option)
1892 unsigned char ddww, option;
1894 unsigned char msg[3];
1895 int outCount, outError;
1897 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1899 if (appData.debugMode) {
1900 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1916 sprintf(buf1, "%d", ddww);
1925 sprintf(buf2, "%d", option);
1928 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1933 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1935 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1942 if (!appData.icsActive) return;
1943 TelnetRequest(TN_DO, TN_ECHO);
1949 if (!appData.icsActive) return;
1950 TelnetRequest(TN_DONT, TN_ECHO);
1954 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1956 /* put the holdings sent to us by the server on the board holdings area */
1957 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1961 if(gameInfo.holdingsWidth < 2) return;
1962 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1963 return; // prevent overwriting by pre-board holdings
1965 if( (int)lowestPiece >= BlackPawn ) {
1968 holdingsStartRow = BOARD_HEIGHT-1;
1971 holdingsColumn = BOARD_WIDTH-1;
1972 countsColumn = BOARD_WIDTH-2;
1973 holdingsStartRow = 0;
1977 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1978 board[i][holdingsColumn] = EmptySquare;
1979 board[i][countsColumn] = (ChessSquare) 0;
1981 while( (p=*holdings++) != NULLCHAR ) {
1982 piece = CharToPiece( ToUpper(p) );
1983 if(piece == EmptySquare) continue;
1984 /*j = (int) piece - (int) WhitePawn;*/
1985 j = PieceToNumber(piece);
1986 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1987 if(j < 0) continue; /* should not happen */
1988 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1989 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1990 board[holdingsStartRow+j*direction][countsColumn]++;
1996 VariantSwitch(Board board, VariantClass newVariant)
1998 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1999 static Board oldBoard;
2001 startedFromPositionFile = FALSE;
2002 if(gameInfo.variant == newVariant) return;
2004 /* [HGM] This routine is called each time an assignment is made to
2005 * gameInfo.variant during a game, to make sure the board sizes
2006 * are set to match the new variant. If that means adding or deleting
2007 * holdings, we shift the playing board accordingly
2008 * This kludge is needed because in ICS observe mode, we get boards
2009 * of an ongoing game without knowing the variant, and learn about the
2010 * latter only later. This can be because of the move list we requested,
2011 * in which case the game history is refilled from the beginning anyway,
2012 * but also when receiving holdings of a crazyhouse game. In the latter
2013 * case we want to add those holdings to the already received position.
2017 if (appData.debugMode) {
2018 fprintf(debugFP, "Switch board from %s to %s\n",
2019 VariantName(gameInfo.variant), VariantName(newVariant));
2020 setbuf(debugFP, NULL);
2022 shuffleOpenings = 0; /* [HGM] shuffle */
2023 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2027 newWidth = 9; newHeight = 9;
2028 gameInfo.holdingsSize = 7;
2029 case VariantBughouse:
2030 case VariantCrazyhouse:
2031 newHoldingsWidth = 2; break;
2035 newHoldingsWidth = 2;
2036 gameInfo.holdingsSize = 8;
2039 case VariantCapablanca:
2040 case VariantCapaRandom:
2043 newHoldingsWidth = gameInfo.holdingsSize = 0;
2046 if(newWidth != gameInfo.boardWidth ||
2047 newHeight != gameInfo.boardHeight ||
2048 newHoldingsWidth != gameInfo.holdingsWidth ) {
2050 /* shift position to new playing area, if needed */
2051 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2052 for(i=0; i<BOARD_HEIGHT; i++)
2053 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2054 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2056 for(i=0; i<newHeight; i++) {
2057 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2058 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2060 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2061 for(i=0; i<BOARD_HEIGHT; i++)
2062 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2063 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2066 gameInfo.boardWidth = newWidth;
2067 gameInfo.boardHeight = newHeight;
2068 gameInfo.holdingsWidth = newHoldingsWidth;
2069 gameInfo.variant = newVariant;
2070 InitDrawingSizes(-2, 0);
2071 } else gameInfo.variant = newVariant;
2072 CopyBoard(oldBoard, board); // remember correctly formatted board
2073 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2074 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2077 static int loggedOn = FALSE;
2079 /*-- Game start info cache: --*/
2081 char gs_kind[MSG_SIZ];
2082 static char player1Name[128] = "";
2083 static char player2Name[128] = "";
2084 static char cont_seq[] = "\n\\ ";
2085 static int player1Rating = -1;
2086 static int player2Rating = -1;
2087 /*----------------------------*/
2089 ColorClass curColor = ColorNormal;
2090 int suppressKibitz = 0;
2093 Boolean soughtPending = FALSE;
2094 Boolean seekGraphUp;
2095 #define MAX_SEEK_ADS 200
2097 char *seekAdList[MAX_SEEK_ADS];
2098 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2099 float tcList[MAX_SEEK_ADS];
2100 char colorList[MAX_SEEK_ADS];
2101 int nrOfSeekAds = 0;
2102 int minRating = 1010, maxRating = 2800;
2103 int hMargin = 10, vMargin = 20, h, w;
2104 extern int squareSize, lineGap;
2109 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2110 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2111 if(r < minRating+100 && r >=0 ) r = minRating+100;
2112 if(r > maxRating) r = maxRating;
2113 if(tc < 1.) tc = 1.;
2114 if(tc > 95.) tc = 95.;
2115 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2116 y = ((double)r - minRating)/(maxRating - minRating)
2117 * (h-vMargin-squareSize/8-1) + vMargin;
2118 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2119 if(strstr(seekAdList[i], " u ")) color = 1;
2120 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2121 !strstr(seekAdList[i], "bullet") &&
2122 !strstr(seekAdList[i], "blitz") &&
2123 !strstr(seekAdList[i], "standard") ) color = 2;
2124 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2125 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2129 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2131 char buf[MSG_SIZ], *ext = "";
2132 VariantClass v = StringToVariant(type);
2133 if(strstr(type, "wild")) {
2134 ext = type + 4; // append wild number
2135 if(v == VariantFischeRandom) type = "chess960"; else
2136 if(v == VariantLoadable) type = "setup"; else
2137 type = VariantName(v);
2139 sprintf(buf, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2140 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2141 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2142 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2143 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2144 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2145 seekNrList[nrOfSeekAds] = nr;
2146 zList[nrOfSeekAds] = 0;
2147 seekAdList[nrOfSeekAds++] = StrSave(buf);
2148 if(plot) PlotSeekAd(nrOfSeekAds-1);
2155 int x = xList[i], y = yList[i], d=squareSize/4, k;
2156 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2157 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2158 // now replot every dot that overlapped
2159 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2160 int xx = xList[k], yy = yList[k];
2161 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2162 DrawSeekDot(xx, yy, colorList[k]);
2167 RemoveSeekAd(int nr)
2170 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2172 if(seekAdList[i]) free(seekAdList[i]);
2173 seekAdList[i] = seekAdList[--nrOfSeekAds];
2174 seekNrList[i] = seekNrList[nrOfSeekAds];
2175 ratingList[i] = ratingList[nrOfSeekAds];
2176 colorList[i] = colorList[nrOfSeekAds];
2177 tcList[i] = tcList[nrOfSeekAds];
2178 xList[i] = xList[nrOfSeekAds];
2179 yList[i] = yList[nrOfSeekAds];
2180 zList[i] = zList[nrOfSeekAds];
2181 seekAdList[nrOfSeekAds] = NULL;
2187 MatchSoughtLine(char *line)
2189 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2190 int nr, base, inc, u=0; char dummy;
2192 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2193 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2195 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2196 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2197 // match: compact and save the line
2198 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2207 if(!seekGraphUp) return FALSE;
2209 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2210 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2212 DrawSeekBackground(0, 0, w, h);
2213 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2214 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2215 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2216 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2218 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2221 sprintf(buf, "%d", i);
2222 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2225 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2226 for(i=1; i<100; i+=(i<10?1:5)) {
2227 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2228 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2229 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2231 sprintf(buf, "%d", i);
2232 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2235 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2239 int SeekGraphClick(ClickType click, int x, int y, int moving)
2241 static int lastDown = 0, displayed = 0, lastSecond;
2242 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2243 if(click == Release || moving) return FALSE;
2245 soughtPending = TRUE;
2246 SendToICS(ics_prefix);
2247 SendToICS("sought\n"); // should this be "sought all"?
2248 } else { // issue challenge based on clicked ad
2249 int dist = 10000; int i, closest = 0, second = 0;
2250 for(i=0; i<nrOfSeekAds; i++) {
2251 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2252 if(d < dist) { dist = d; closest = i; }
2253 second += (d - zList[i] < 120); // count in-range ads
2254 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2258 second = (second > 1);
2259 if(displayed != closest || second != lastSecond) {
2260 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2261 lastSecond = second; displayed = closest;
2263 if(click == Press) {
2264 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2267 } // on press 'hit', only show info
2268 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2269 sprintf(buf, "play %d\n", seekNrList[closest]);
2270 SendToICS(ics_prefix);
2272 return TRUE; // let incoming board of started game pop down the graph
2273 } else if(click == Release) { // release 'miss' is ignored
2274 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2275 if(moving == 2) { // right up-click
2276 nrOfSeekAds = 0; // refresh graph
2277 soughtPending = TRUE;
2278 SendToICS(ics_prefix);
2279 SendToICS("sought\n"); // should this be "sought all"?
2282 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2283 // press miss or release hit 'pop down' seek graph
2284 seekGraphUp = FALSE;
2285 DrawPosition(TRUE, NULL);
2291 read_from_ics(isr, closure, data, count, error)
2298 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2299 #define STARTED_NONE 0
2300 #define STARTED_MOVES 1
2301 #define STARTED_BOARD 2
2302 #define STARTED_OBSERVE 3
2303 #define STARTED_HOLDINGS 4
2304 #define STARTED_CHATTER 5
2305 #define STARTED_COMMENT 6
2306 #define STARTED_MOVES_NOHIDE 7
2308 static int started = STARTED_NONE;
2309 static char parse[20000];
2310 static int parse_pos = 0;
2311 static char buf[BUF_SIZE + 1];
2312 static int firstTime = TRUE, intfSet = FALSE;
2313 static ColorClass prevColor = ColorNormal;
2314 static int savingComment = FALSE;
2315 static int cmatch = 0; // continuation sequence match
2322 int backup; /* [DM] For zippy color lines */
2324 char talker[MSG_SIZ]; // [HGM] chat
2327 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2329 if (appData.debugMode) {
2331 fprintf(debugFP, "<ICS: ");
2332 show_bytes(debugFP, data, count);
2333 fprintf(debugFP, "\n");
2337 if (appData.debugMode) { int f = forwardMostMove;
2338 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2339 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2340 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2343 /* If last read ended with a partial line that we couldn't parse,
2344 prepend it to the new read and try again. */
2345 if (leftover_len > 0) {
2346 for (i=0; i<leftover_len; i++)
2347 buf[i] = buf[leftover_start + i];
2350 /* copy new characters into the buffer */
2351 bp = buf + leftover_len;
2352 buf_len=leftover_len;
2353 for (i=0; i<count; i++)
2356 if (data[i] == '\r')
2359 // join lines split by ICS?
2360 if (!appData.noJoin)
2363 Joining just consists of finding matches against the
2364 continuation sequence, and discarding that sequence
2365 if found instead of copying it. So, until a match
2366 fails, there's nothing to do since it might be the
2367 complete sequence, and thus, something we don't want
2370 if (data[i] == cont_seq[cmatch])
2373 if (cmatch == strlen(cont_seq))
2375 cmatch = 0; // complete match. just reset the counter
2378 it's possible for the ICS to not include the space
2379 at the end of the last word, making our [correct]
2380 join operation fuse two separate words. the server
2381 does this when the space occurs at the width setting.
2383 if (!buf_len || buf[buf_len-1] != ' ')
2394 match failed, so we have to copy what matched before
2395 falling through and copying this character. In reality,
2396 this will only ever be just the newline character, but
2397 it doesn't hurt to be precise.
2399 strncpy(bp, cont_seq, cmatch);
2411 buf[buf_len] = NULLCHAR;
2412 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2417 while (i < buf_len) {
2418 /* Deal with part of the TELNET option negotiation
2419 protocol. We refuse to do anything beyond the
2420 defaults, except that we allow the WILL ECHO option,
2421 which ICS uses to turn off password echoing when we are
2422 directly connected to it. We reject this option
2423 if localLineEditing mode is on (always on in xboard)
2424 and we are talking to port 23, which might be a real
2425 telnet server that will try to keep WILL ECHO on permanently.
2427 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2428 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2429 unsigned char option;
2431 switch ((unsigned char) buf[++i]) {
2433 if (appData.debugMode)
2434 fprintf(debugFP, "\n<WILL ");
2435 switch (option = (unsigned char) buf[++i]) {
2437 if (appData.debugMode)
2438 fprintf(debugFP, "ECHO ");
2439 /* Reply only if this is a change, according
2440 to the protocol rules. */
2441 if (remoteEchoOption) break;
2442 if (appData.localLineEditing &&
2443 atoi(appData.icsPort) == TN_PORT) {
2444 TelnetRequest(TN_DONT, TN_ECHO);
2447 TelnetRequest(TN_DO, TN_ECHO);
2448 remoteEchoOption = TRUE;
2452 if (appData.debugMode)
2453 fprintf(debugFP, "%d ", option);
2454 /* Whatever this is, we don't want it. */
2455 TelnetRequest(TN_DONT, option);
2460 if (appData.debugMode)
2461 fprintf(debugFP, "\n<WONT ");
2462 switch (option = (unsigned char) buf[++i]) {
2464 if (appData.debugMode)
2465 fprintf(debugFP, "ECHO ");
2466 /* Reply only if this is a change, according
2467 to the protocol rules. */
2468 if (!remoteEchoOption) break;
2470 TelnetRequest(TN_DONT, TN_ECHO);
2471 remoteEchoOption = FALSE;
2474 if (appData.debugMode)
2475 fprintf(debugFP, "%d ", (unsigned char) option);
2476 /* Whatever this is, it must already be turned
2477 off, because we never agree to turn on
2478 anything non-default, so according to the
2479 protocol rules, we don't reply. */
2484 if (appData.debugMode)
2485 fprintf(debugFP, "\n<DO ");
2486 switch (option = (unsigned char) buf[++i]) {
2488 /* Whatever this is, we refuse to do it. */
2489 if (appData.debugMode)
2490 fprintf(debugFP, "%d ", option);
2491 TelnetRequest(TN_WONT, option);
2496 if (appData.debugMode)
2497 fprintf(debugFP, "\n<DONT ");
2498 switch (option = (unsigned char) buf[++i]) {
2500 if (appData.debugMode)
2501 fprintf(debugFP, "%d ", option);
2502 /* Whatever this is, we are already not doing
2503 it, because we never agree to do anything
2504 non-default, so according to the protocol
2505 rules, we don't reply. */
2510 if (appData.debugMode)
2511 fprintf(debugFP, "\n<IAC ");
2512 /* Doubled IAC; pass it through */
2516 if (appData.debugMode)
2517 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2518 /* Drop all other telnet commands on the floor */
2521 if (oldi > next_out)
2522 SendToPlayer(&buf[next_out], oldi - next_out);
2528 /* OK, this at least will *usually* work */
2529 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2533 if (loggedOn && !intfSet) {
2534 if (ics_type == ICS_ICC) {
2536 "/set-quietly interface %s\n/set-quietly style 12\n",
2538 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2539 strcat(str, "/set-2 51 1\n/set seek 1\n");
2540 } else if (ics_type == ICS_CHESSNET) {
2541 sprintf(str, "/style 12\n");
2543 strcpy(str, "alias $ @\n$set interface ");
2544 strcat(str, programVersion);
2545 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2546 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2547 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2549 strcat(str, "$iset nohighlight 1\n");
2551 strcat(str, "$iset lock 1\n$style 12\n");
2554 NotifyFrontendLogin();
2558 if (started == STARTED_COMMENT) {
2559 /* Accumulate characters in comment */
2560 parse[parse_pos++] = buf[i];
2561 if (buf[i] == '\n') {
2562 parse[parse_pos] = NULLCHAR;
2563 if(chattingPartner>=0) {
2565 sprintf(mess, "%s%s", talker, parse);
2566 OutputChatMessage(chattingPartner, mess);
2567 chattingPartner = -1;
2568 next_out = i+1; // [HGM] suppress printing in ICS window
2570 if(!suppressKibitz) // [HGM] kibitz
2571 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2572 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2573 int nrDigit = 0, nrAlph = 0, j;
2574 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2575 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2576 parse[parse_pos] = NULLCHAR;
2577 // try to be smart: if it does not look like search info, it should go to
2578 // ICS interaction window after all, not to engine-output window.
2579 for(j=0; j<parse_pos; j++) { // count letters and digits
2580 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2581 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2582 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2584 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2585 int depth=0; float score;
2586 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2587 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2588 pvInfoList[forwardMostMove-1].depth = depth;
2589 pvInfoList[forwardMostMove-1].score = 100*score;
2591 OutputKibitz(suppressKibitz, parse);
2594 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2595 SendToPlayer(tmp, strlen(tmp));
2597 next_out = i+1; // [HGM] suppress printing in ICS window
2599 started = STARTED_NONE;
2601 /* Don't match patterns against characters in comment */
2606 if (started == STARTED_CHATTER) {
2607 if (buf[i] != '\n') {
2608 /* Don't match patterns against characters in chatter */
2612 started = STARTED_NONE;
2613 if(suppressKibitz) next_out = i+1;
2616 /* Kludge to deal with rcmd protocol */
2617 if (firstTime && looking_at(buf, &i, "\001*")) {
2618 DisplayFatalError(&buf[1], 0, 1);
2624 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2627 if (appData.debugMode)
2628 fprintf(debugFP, "ics_type %d\n", ics_type);
2631 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2632 ics_type = ICS_FICS;
2634 if (appData.debugMode)
2635 fprintf(debugFP, "ics_type %d\n", ics_type);
2638 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2639 ics_type = ICS_CHESSNET;
2641 if (appData.debugMode)
2642 fprintf(debugFP, "ics_type %d\n", ics_type);
2647 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2648 looking_at(buf, &i, "Logging you in as \"*\"") ||
2649 looking_at(buf, &i, "will be \"*\""))) {
2650 strcpy(ics_handle, star_match[0]);
2654 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2656 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2657 DisplayIcsInteractionTitle(buf);
2658 have_set_title = TRUE;
2661 /* skip finger notes */
2662 if (started == STARTED_NONE &&
2663 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2664 (buf[i] == '1' && buf[i+1] == '0')) &&
2665 buf[i+2] == ':' && buf[i+3] == ' ') {
2666 started = STARTED_CHATTER;
2672 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2673 if(appData.seekGraph) {
2674 if(soughtPending && MatchSoughtLine(buf+i)) {
2675 i = strstr(buf+i, "rated") - buf;
2676 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2677 next_out = leftover_start = i;
2678 started = STARTED_CHATTER;
2679 suppressKibitz = TRUE;
2682 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2683 && looking_at(buf, &i, "* ads displayed")) {
2684 soughtPending = FALSE;
2689 if(appData.autoRefresh) {
2690 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2691 int s = (ics_type == ICS_ICC); // ICC format differs
2693 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2694 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2695 looking_at(buf, &i, "*% "); // eat prompt
2696 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2697 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2698 next_out = i; // suppress
2701 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2702 char *p = star_match[0];
2704 if(seekGraphUp) RemoveSeekAd(atoi(p));
2705 while(*p && *p++ != ' '); // next
2707 looking_at(buf, &i, "*% "); // eat prompt
2708 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2715 /* skip formula vars */
2716 if (started == STARTED_NONE &&
2717 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2718 started = STARTED_CHATTER;
2723 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2724 if (appData.autoKibitz && started == STARTED_NONE &&
2725 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2726 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2727 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2728 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2729 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2730 suppressKibitz = TRUE;
2731 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2733 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2734 && (gameMode == IcsPlayingWhite)) ||
2735 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2736 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2737 started = STARTED_CHATTER; // own kibitz we simply discard
2739 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2740 parse_pos = 0; parse[0] = NULLCHAR;
2741 savingComment = TRUE;
2742 suppressKibitz = gameMode != IcsObserving ? 2 :
2743 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2747 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2748 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2749 && atoi(star_match[0])) {
2750 // suppress the acknowledgements of our own autoKibitz
2752 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2753 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2754 SendToPlayer(star_match[0], strlen(star_match[0]));
2755 if(looking_at(buf, &i, "*% ")) // eat prompt
2756 suppressKibitz = FALSE;
2760 } // [HGM] kibitz: end of patch
2762 // [HGM] chat: intercept tells by users for which we have an open chat window
2764 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2765 looking_at(buf, &i, "* whispers:") ||
2766 looking_at(buf, &i, "* kibitzes:") ||
2767 looking_at(buf, &i, "* shouts:") ||
2768 looking_at(buf, &i, "* c-shouts:") ||
2769 looking_at(buf, &i, "--> * ") ||
2770 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2771 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2772 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2773 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2775 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2776 chattingPartner = -1;
2778 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2779 for(p=0; p<MAX_CHAT; p++) {
2780 if(channel == atoi(chatPartner[p])) {
2781 talker[0] = '['; strcat(talker, "] ");
2782 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2783 chattingPartner = p; break;
2786 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2787 for(p=0; p<MAX_CHAT; p++) {
2788 if(!strcmp("kibitzes", chatPartner[p])) {
2789 talker[0] = '['; strcat(talker, "] ");
2790 chattingPartner = p; break;
2793 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2794 for(p=0; p<MAX_CHAT; p++) {
2795 if(!strcmp("whispers", chatPartner[p])) {
2796 talker[0] = '['; strcat(talker, "] ");
2797 chattingPartner = p; break;
2800 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2801 if(buf[i-8] == '-' && buf[i-3] == 't')
2802 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2803 if(!strcmp("c-shouts", chatPartner[p])) {
2804 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2805 chattingPartner = p; break;
2808 if(chattingPartner < 0)
2809 for(p=0; p<MAX_CHAT; p++) {
2810 if(!strcmp("shouts", chatPartner[p])) {
2811 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2812 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2813 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2814 chattingPartner = p; break;
2818 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2819 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2820 talker[0] = 0; Colorize(ColorTell, FALSE);
2821 chattingPartner = p; break;
2823 if(chattingPartner<0) i = oldi; else {
2824 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2825 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2826 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2827 started = STARTED_COMMENT;
2828 parse_pos = 0; parse[0] = NULLCHAR;
2829 savingComment = 3 + chattingPartner; // counts as TRUE
2830 suppressKibitz = TRUE;
2833 } // [HGM] chat: end of patch
2835 if (appData.zippyTalk || appData.zippyPlay) {
2836 /* [DM] Backup address for color zippy lines */
2840 if (loggedOn == TRUE)
2841 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2842 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2844 if (ZippyControl(buf, &i) ||
2845 ZippyConverse(buf, &i) ||
2846 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2848 if (!appData.colorize) continue;
2852 } // [DM] 'else { ' deleted
2854 /* Regular tells and says */
2855 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2856 looking_at(buf, &i, "* (your partner) tells you: ") ||
2857 looking_at(buf, &i, "* says: ") ||
2858 /* Don't color "message" or "messages" output */
2859 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2860 looking_at(buf, &i, "*. * at *:*: ") ||
2861 looking_at(buf, &i, "--* (*:*): ") ||
2862 /* Message notifications (same color as tells) */
2863 looking_at(buf, &i, "* has left a message ") ||
2864 looking_at(buf, &i, "* just sent you a message:\n") ||
2865 /* Whispers and kibitzes */
2866 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2867 looking_at(buf, &i, "* kibitzes: ") ||
2869 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2871 if (tkind == 1 && strchr(star_match[0], ':')) {
2872 /* Avoid "tells you:" spoofs in channels */
2875 if (star_match[0][0] == NULLCHAR ||
2876 strchr(star_match[0], ' ') ||
2877 (tkind == 3 && strchr(star_match[1], ' '))) {
2878 /* Reject bogus matches */
2881 if (appData.colorize) {
2882 if (oldi > next_out) {
2883 SendToPlayer(&buf[next_out], oldi - next_out);
2888 Colorize(ColorTell, FALSE);
2889 curColor = ColorTell;
2892 Colorize(ColorKibitz, FALSE);
2893 curColor = ColorKibitz;
2896 p = strrchr(star_match[1], '(');
2903 Colorize(ColorChannel1, FALSE);
2904 curColor = ColorChannel1;
2906 Colorize(ColorChannel, FALSE);
2907 curColor = ColorChannel;
2911 curColor = ColorNormal;
2915 if (started == STARTED_NONE && appData.autoComment &&
2916 (gameMode == IcsObserving ||
2917 gameMode == IcsPlayingWhite ||
2918 gameMode == IcsPlayingBlack)) {
2919 parse_pos = i - oldi;
2920 memcpy(parse, &buf[oldi], parse_pos);
2921 parse[parse_pos] = NULLCHAR;
2922 started = STARTED_COMMENT;
2923 savingComment = TRUE;
2925 started = STARTED_CHATTER;
2926 savingComment = FALSE;
2933 if (looking_at(buf, &i, "* s-shouts: ") ||
2934 looking_at(buf, &i, "* c-shouts: ")) {
2935 if (appData.colorize) {
2936 if (oldi > next_out) {
2937 SendToPlayer(&buf[next_out], oldi - next_out);
2940 Colorize(ColorSShout, FALSE);
2941 curColor = ColorSShout;
2944 started = STARTED_CHATTER;
2948 if (looking_at(buf, &i, "--->")) {
2953 if (looking_at(buf, &i, "* shouts: ") ||
2954 looking_at(buf, &i, "--> ")) {
2955 if (appData.colorize) {
2956 if (oldi > next_out) {
2957 SendToPlayer(&buf[next_out], oldi - next_out);
2960 Colorize(ColorShout, FALSE);
2961 curColor = ColorShout;
2964 started = STARTED_CHATTER;
2968 if (looking_at( buf, &i, "Challenge:")) {
2969 if (appData.colorize) {
2970 if (oldi > next_out) {
2971 SendToPlayer(&buf[next_out], oldi - next_out);
2974 Colorize(ColorChallenge, FALSE);
2975 curColor = ColorChallenge;
2981 if (looking_at(buf, &i, "* offers you") ||
2982 looking_at(buf, &i, "* offers to be") ||
2983 looking_at(buf, &i, "* would like to") ||
2984 looking_at(buf, &i, "* requests to") ||
2985 looking_at(buf, &i, "Your opponent offers") ||
2986 looking_at(buf, &i, "Your opponent requests")) {
2988 if (appData.colorize) {
2989 if (oldi > next_out) {
2990 SendToPlayer(&buf[next_out], oldi - next_out);
2993 Colorize(ColorRequest, FALSE);
2994 curColor = ColorRequest;
2999 if (looking_at(buf, &i, "* (*) seeking")) {
3000 if (appData.colorize) {
3001 if (oldi > next_out) {
3002 SendToPlayer(&buf[next_out], oldi - next_out);
3005 Colorize(ColorSeek, FALSE);
3006 curColor = ColorSeek;
3011 if (looking_at(buf, &i, "\\ ")) {
3012 if (prevColor != ColorNormal) {
3013 if (oldi > next_out) {
3014 SendToPlayer(&buf[next_out], oldi - next_out);
3017 Colorize(prevColor, TRUE);
3018 curColor = prevColor;
3020 if (savingComment) {
3021 parse_pos = i - oldi;
3022 memcpy(parse, &buf[oldi], parse_pos);
3023 parse[parse_pos] = NULLCHAR;
3024 started = STARTED_COMMENT;
3025 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3026 chattingPartner = savingComment - 3; // kludge to remember the box
3028 started = STARTED_CHATTER;
3033 if (looking_at(buf, &i, "Black Strength :") ||
3034 looking_at(buf, &i, "<<< style 10 board >>>") ||
3035 looking_at(buf, &i, "<10>") ||
3036 looking_at(buf, &i, "#@#")) {
3037 /* Wrong board style */
3039 SendToICS(ics_prefix);
3040 SendToICS("set style 12\n");
3041 SendToICS(ics_prefix);
3042 SendToICS("refresh\n");
3046 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3048 have_sent_ICS_logon = 1;
3052 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3053 (looking_at(buf, &i, "\n<12> ") ||
3054 looking_at(buf, &i, "<12> "))) {
3056 if (oldi > next_out) {
3057 SendToPlayer(&buf[next_out], oldi - next_out);
3060 started = STARTED_BOARD;
3065 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3066 looking_at(buf, &i, "<b1> ")) {
3067 if (oldi > next_out) {
3068 SendToPlayer(&buf[next_out], oldi - next_out);
3071 started = STARTED_HOLDINGS;
3076 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3078 /* Header for a move list -- first line */
3080 switch (ics_getting_history) {
3084 case BeginningOfGame:
3085 /* User typed "moves" or "oldmoves" while we
3086 were idle. Pretend we asked for these
3087 moves and soak them up so user can step
3088 through them and/or save them.
3091 gameMode = IcsObserving;
3094 ics_getting_history = H_GOT_UNREQ_HEADER;
3096 case EditGame: /*?*/
3097 case EditPosition: /*?*/
3098 /* Should above feature work in these modes too? */
3099 /* For now it doesn't */
3100 ics_getting_history = H_GOT_UNWANTED_HEADER;
3103 ics_getting_history = H_GOT_UNWANTED_HEADER;
3108 /* Is this the right one? */
3109 if (gameInfo.white && gameInfo.black &&
3110 strcmp(gameInfo.white, star_match[0]) == 0 &&
3111 strcmp(gameInfo.black, star_match[2]) == 0) {
3113 ics_getting_history = H_GOT_REQ_HEADER;
3116 case H_GOT_REQ_HEADER:
3117 case H_GOT_UNREQ_HEADER:
3118 case H_GOT_UNWANTED_HEADER:
3119 case H_GETTING_MOVES:
3120 /* Should not happen */
3121 DisplayError(_("Error gathering move list: two headers"), 0);
3122 ics_getting_history = H_FALSE;
3126 /* Save player ratings into gameInfo if needed */
3127 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3128 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3129 (gameInfo.whiteRating == -1 ||
3130 gameInfo.blackRating == -1)) {
3132 gameInfo.whiteRating = string_to_rating(star_match[1]);
3133 gameInfo.blackRating = string_to_rating(star_match[3]);
3134 if (appData.debugMode)
3135 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3136 gameInfo.whiteRating, gameInfo.blackRating);
3141 if (looking_at(buf, &i,
3142 "* * match, initial time: * minute*, increment: * second")) {
3143 /* Header for a move list -- second line */
3144 /* Initial board will follow if this is a wild game */
3145 if (gameInfo.event != NULL) free(gameInfo.event);
3146 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3147 gameInfo.event = StrSave(str);
3148 /* [HGM] we switched variant. Translate boards if needed. */
3149 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3153 if (looking_at(buf, &i, "Move ")) {
3154 /* Beginning of a move list */
3155 switch (ics_getting_history) {
3157 /* Normally should not happen */
3158 /* Maybe user hit reset while we were parsing */
3161 /* Happens if we are ignoring a move list that is not
3162 * the one we just requested. Common if the user
3163 * tries to observe two games without turning off
3166 case H_GETTING_MOVES:
3167 /* Should not happen */
3168 DisplayError(_("Error gathering move list: nested"), 0);
3169 ics_getting_history = H_FALSE;
3171 case H_GOT_REQ_HEADER:
3172 ics_getting_history = H_GETTING_MOVES;
3173 started = STARTED_MOVES;
3175 if (oldi > next_out) {
3176 SendToPlayer(&buf[next_out], oldi - next_out);
3179 case H_GOT_UNREQ_HEADER:
3180 ics_getting_history = H_GETTING_MOVES;
3181 started = STARTED_MOVES_NOHIDE;
3184 case H_GOT_UNWANTED_HEADER:
3185 ics_getting_history = H_FALSE;
3191 if (looking_at(buf, &i, "% ") ||
3192 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3193 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3194 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3195 soughtPending = FALSE;
3199 if(suppressKibitz) next_out = i;
3200 savingComment = FALSE;
3204 case STARTED_MOVES_NOHIDE:
3205 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3206 parse[parse_pos + i - oldi] = NULLCHAR;
3207 ParseGameHistory(parse);
3209 if (appData.zippyPlay && first.initDone) {
3210 FeedMovesToProgram(&first, forwardMostMove);
3211 if (gameMode == IcsPlayingWhite) {
3212 if (WhiteOnMove(forwardMostMove)) {
3213 if (first.sendTime) {
3214 if (first.useColors) {
3215 SendToProgram("black\n", &first);
3217 SendTimeRemaining(&first, TRUE);
3219 if (first.useColors) {
3220 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3222 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3223 first.maybeThinking = TRUE;
3225 if (first.usePlayother) {
3226 if (first.sendTime) {
3227 SendTimeRemaining(&first, TRUE);
3229 SendToProgram("playother\n", &first);
3235 } else if (gameMode == IcsPlayingBlack) {
3236 if (!WhiteOnMove(forwardMostMove)) {
3237 if (first.sendTime) {
3238 if (first.useColors) {
3239 SendToProgram("white\n", &first);
3241 SendTimeRemaining(&first, FALSE);
3243 if (first.useColors) {
3244 SendToProgram("black\n", &first);
3246 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3247 first.maybeThinking = TRUE;
3249 if (first.usePlayother) {
3250 if (first.sendTime) {
3251 SendTimeRemaining(&first, FALSE);
3253 SendToProgram("playother\n", &first);
3262 if (gameMode == IcsObserving && ics_gamenum == -1) {
3263 /* Moves came from oldmoves or moves command
3264 while we weren't doing anything else.
3266 currentMove = forwardMostMove;
3267 ClearHighlights();/*!!could figure this out*/
3268 flipView = appData.flipView;
3269 DrawPosition(TRUE, boards[currentMove]);
3270 DisplayBothClocks();
3271 sprintf(str, "%s vs. %s",
3272 gameInfo.white, gameInfo.black);
3276 /* Moves were history of an active game */
3277 if (gameInfo.resultDetails != NULL) {
3278 free(gameInfo.resultDetails);
3279 gameInfo.resultDetails = NULL;
3282 HistorySet(parseList, backwardMostMove,
3283 forwardMostMove, currentMove-1);
3284 DisplayMove(currentMove - 1);
3285 if (started == STARTED_MOVES) next_out = i;
3286 started = STARTED_NONE;
3287 ics_getting_history = H_FALSE;
3290 case STARTED_OBSERVE:
3291 started = STARTED_NONE;
3292 SendToICS(ics_prefix);
3293 SendToICS("refresh\n");
3299 if(bookHit) { // [HGM] book: simulate book reply
3300 static char bookMove[MSG_SIZ]; // a bit generous?
3302 programStats.nodes = programStats.depth = programStats.time =
3303 programStats.score = programStats.got_only_move = 0;
3304 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3306 strcpy(bookMove, "move ");
3307 strcat(bookMove, bookHit);
3308 HandleMachineMove(bookMove, &first);
3313 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3314 started == STARTED_HOLDINGS ||
3315 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3316 /* Accumulate characters in move list or board */
3317 parse[parse_pos++] = buf[i];
3320 /* Start of game messages. Mostly we detect start of game
3321 when the first board image arrives. On some versions
3322 of the ICS, though, we need to do a "refresh" after starting
3323 to observe in order to get the current board right away. */
3324 if (looking_at(buf, &i, "Adding game * to observation list")) {
3325 started = STARTED_OBSERVE;
3329 /* Handle auto-observe */
3330 if (appData.autoObserve &&
3331 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3332 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3334 /* Choose the player that was highlighted, if any. */
3335 if (star_match[0][0] == '\033' ||
3336 star_match[1][0] != '\033') {
3337 player = star_match[0];
3339 player = star_match[2];
3341 sprintf(str, "%sobserve %s\n",
3342 ics_prefix, StripHighlightAndTitle(player));
3345 /* Save ratings from notify string */
3346 strcpy(player1Name, star_match[0]);
3347 player1Rating = string_to_rating(star_match[1]);
3348 strcpy(player2Name, star_match[2]);
3349 player2Rating = string_to_rating(star_match[3]);
3351 if (appData.debugMode)
3353 "Ratings from 'Game notification:' %s %d, %s %d\n",
3354 player1Name, player1Rating,
3355 player2Name, player2Rating);
3360 /* Deal with automatic examine mode after a game,
3361 and with IcsObserving -> IcsExamining transition */
3362 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3363 looking_at(buf, &i, "has made you an examiner of game *")) {
3365 int gamenum = atoi(star_match[0]);
3366 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3367 gamenum == ics_gamenum) {
3368 /* We were already playing or observing this game;
3369 no need to refetch history */
3370 gameMode = IcsExamining;
3372 pauseExamForwardMostMove = forwardMostMove;
3373 } else if (currentMove < forwardMostMove) {
3374 ForwardInner(forwardMostMove);
3377 /* I don't think this case really can happen */
3378 SendToICS(ics_prefix);
3379 SendToICS("refresh\n");
3384 /* Error messages */
3385 // if (ics_user_moved) {
3386 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3387 if (looking_at(buf, &i, "Illegal move") ||
3388 looking_at(buf, &i, "Not a legal move") ||
3389 looking_at(buf, &i, "Your king is in check") ||
3390 looking_at(buf, &i, "It isn't your turn") ||
3391 looking_at(buf, &i, "It is not your move")) {
3393 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3394 currentMove = forwardMostMove-1;
3395 DisplayMove(currentMove - 1); /* before DMError */
3396 DrawPosition(FALSE, boards[currentMove]);
3397 SwitchClocks(forwardMostMove-1); // [HGM] race
3398 DisplayBothClocks();
3400 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3406 if (looking_at(buf, &i, "still have time") ||
3407 looking_at(buf, &i, "not out of time") ||
3408 looking_at(buf, &i, "either player is out of time") ||
3409 looking_at(buf, &i, "has timeseal; checking")) {
3410 /* We must have called his flag a little too soon */
3411 whiteFlag = blackFlag = FALSE;
3415 if (looking_at(buf, &i, "added * seconds to") ||
3416 looking_at(buf, &i, "seconds were added to")) {
3417 /* Update the clocks */
3418 SendToICS(ics_prefix);
3419 SendToICS("refresh\n");
3423 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3424 ics_clock_paused = TRUE;
3429 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3430 ics_clock_paused = FALSE;
3435 /* Grab player ratings from the Creating: message.
3436 Note we have to check for the special case when
3437 the ICS inserts things like [white] or [black]. */
3438 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3439 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3441 0 player 1 name (not necessarily white)
3443 2 empty, white, or black (IGNORED)
3444 3 player 2 name (not necessarily black)
3447 The names/ratings are sorted out when the game
3448 actually starts (below).
3450 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3451 player1Rating = string_to_rating(star_match[1]);
3452 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3453 player2Rating = string_to_rating(star_match[4]);
3455 if (appData.debugMode)
3457 "Ratings from 'Creating:' %s %d, %s %d\n",
3458 player1Name, player1Rating,
3459 player2Name, player2Rating);
3464 /* Improved generic start/end-of-game messages */
3465 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3466 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3467 /* If tkind == 0: */
3468 /* star_match[0] is the game number */
3469 /* [1] is the white player's name */
3470 /* [2] is the black player's name */
3471 /* For end-of-game: */
3472 /* [3] is the reason for the game end */
3473 /* [4] is a PGN end game-token, preceded by " " */
3474 /* For start-of-game: */
3475 /* [3] begins with "Creating" or "Continuing" */
3476 /* [4] is " *" or empty (don't care). */
3477 int gamenum = atoi(star_match[0]);
3478 char *whitename, *blackname, *why, *endtoken;
3479 ChessMove endtype = (ChessMove) 0;
3482 whitename = star_match[1];
3483 blackname = star_match[2];
3484 why = star_match[3];
3485 endtoken = star_match[4];
3487 whitename = star_match[1];
3488 blackname = star_match[3];
3489 why = star_match[5];
3490 endtoken = star_match[6];
3493 /* Game start messages */
3494 if (strncmp(why, "Creating ", 9) == 0 ||
3495 strncmp(why, "Continuing ", 11) == 0) {
3496 gs_gamenum = gamenum;
3497 strcpy(gs_kind, strchr(why, ' ') + 1);
3498 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3500 if (appData.zippyPlay) {
3501 ZippyGameStart(whitename, blackname);
3504 partnerBoardValid = FALSE; // [HGM] bughouse
3508 /* Game end messages */
3509 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3510 ics_gamenum != gamenum) {
3513 while (endtoken[0] == ' ') endtoken++;
3514 switch (endtoken[0]) {
3517 endtype = GameUnfinished;
3520 endtype = BlackWins;
3523 if (endtoken[1] == '/')
3524 endtype = GameIsDrawn;
3526 endtype = WhiteWins;
3529 GameEnds(endtype, why, GE_ICS);
3531 if (appData.zippyPlay && first.initDone) {
3532 ZippyGameEnd(endtype, why);
3533 if (first.pr == NULL) {
3534 /* Start the next process early so that we'll
3535 be ready for the next challenge */
3536 StartChessProgram(&first);
3538 /* Send "new" early, in case this command takes
3539 a long time to finish, so that we'll be ready
3540 for the next challenge. */
3541 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3545 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3549 if (looking_at(buf, &i, "Removing game * from observation") ||
3550 looking_at(buf, &i, "no longer observing game *") ||
3551 looking_at(buf, &i, "Game * (*) has no examiners")) {
3552 if (gameMode == IcsObserving &&
3553 atoi(star_match[0]) == ics_gamenum)
3555 /* icsEngineAnalyze */
3556 if (appData.icsEngineAnalyze) {
3563 ics_user_moved = FALSE;
3568 if (looking_at(buf, &i, "no longer examining game *")) {
3569 if (gameMode == IcsExamining &&
3570 atoi(star_match[0]) == ics_gamenum)
3574 ics_user_moved = FALSE;
3579 /* Advance leftover_start past any newlines we find,
3580 so only partial lines can get reparsed */
3581 if (looking_at(buf, &i, "\n")) {
3582 prevColor = curColor;
3583 if (curColor != ColorNormal) {
3584 if (oldi > next_out) {
3585 SendToPlayer(&buf[next_out], oldi - next_out);
3588 Colorize(ColorNormal, FALSE);
3589 curColor = ColorNormal;
3591 if (started == STARTED_BOARD) {
3592 started = STARTED_NONE;
3593 parse[parse_pos] = NULLCHAR;
3594 ParseBoard12(parse);
3597 /* Send premove here */
3598 if (appData.premove) {
3600 if (currentMove == 0 &&
3601 gameMode == IcsPlayingWhite &&
3602 appData.premoveWhite) {
3603 sprintf(str, "%s\n", appData.premoveWhiteText);
3604 if (appData.debugMode)
3605 fprintf(debugFP, "Sending premove:\n");
3607 } else if (currentMove == 1 &&
3608 gameMode == IcsPlayingBlack &&
3609 appData.premoveBlack) {
3610 sprintf(str, "%s\n", appData.premoveBlackText);
3611 if (appData.debugMode)
3612 fprintf(debugFP, "Sending premove:\n");
3614 } else if (gotPremove) {
3616 ClearPremoveHighlights();
3617 if (appData.debugMode)
3618 fprintf(debugFP, "Sending premove:\n");
3619 UserMoveEvent(premoveFromX, premoveFromY,
3620 premoveToX, premoveToY,
3625 /* Usually suppress following prompt */
3626 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3627 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3628 if (looking_at(buf, &i, "*% ")) {
3629 savingComment = FALSE;
3634 } else if (started == STARTED_HOLDINGS) {
3636 char new_piece[MSG_SIZ];
3637 started = STARTED_NONE;
3638 parse[parse_pos] = NULLCHAR;
3639 if (appData.debugMode)
3640 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3641 parse, currentMove);
3642 if (sscanf(parse, " game %d", &gamenum) == 1) {
3643 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3644 if (gameInfo.variant == VariantNormal) {
3645 /* [HGM] We seem to switch variant during a game!
3646 * Presumably no holdings were displayed, so we have
3647 * to move the position two files to the right to
3648 * create room for them!
3650 VariantClass newVariant;
3651 switch(gameInfo.boardWidth) { // base guess on board width
3652 case 9: newVariant = VariantShogi; break;
3653 case 10: newVariant = VariantGreat; break;
3654 default: newVariant = VariantCrazyhouse; break;
3656 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3657 /* Get a move list just to see the header, which
3658 will tell us whether this is really bug or zh */
3659 if (ics_getting_history == H_FALSE) {
3660 ics_getting_history = H_REQUESTED;
3661 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3665 new_piece[0] = NULLCHAR;
3666 sscanf(parse, "game %d white [%s black [%s <- %s",
3667 &gamenum, white_holding, black_holding,
3669 white_holding[strlen(white_holding)-1] = NULLCHAR;
3670 black_holding[strlen(black_holding)-1] = NULLCHAR;
3671 /* [HGM] copy holdings to board holdings area */
3672 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3673 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3674 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3676 if (appData.zippyPlay && first.initDone) {
3677 ZippyHoldings(white_holding, black_holding,
3681 if (tinyLayout || smallLayout) {
3682 char wh[16], bh[16];
3683 PackHolding(wh, white_holding);
3684 PackHolding(bh, black_holding);
3685 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3686 gameInfo.white, gameInfo.black);
3688 sprintf(str, "%s [%s] vs. %s [%s]",
3689 gameInfo.white, white_holding,
3690 gameInfo.black, black_holding);
3692 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3693 DrawPosition(FALSE, boards[currentMove]);
3695 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3696 sscanf(parse, "game %d white [%s black [%s <- %s",
3697 &gamenum, white_holding, black_holding,
3699 white_holding[strlen(white_holding)-1] = NULLCHAR;
3700 black_holding[strlen(black_holding)-1] = NULLCHAR;
3701 /* [HGM] copy holdings to partner-board holdings area */
3702 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3703 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3704 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3705 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3706 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3709 /* Suppress following prompt */
3710 if (looking_at(buf, &i, "*% ")) {
3711 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3712 savingComment = FALSE;
3720 i++; /* skip unparsed character and loop back */
3723 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3724 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3725 // SendToPlayer(&buf[next_out], i - next_out);
3726 started != STARTED_HOLDINGS && leftover_start > next_out) {
3727 SendToPlayer(&buf[next_out], leftover_start - next_out);
3731 leftover_len = buf_len - leftover_start;
3732 /* if buffer ends with something we couldn't parse,
3733 reparse it after appending the next read */
3735 } else if (count == 0) {
3736 RemoveInputSource(isr);
3737 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3739 DisplayFatalError(_("Error reading from ICS"), error, 1);
3744 /* Board style 12 looks like this:
3746 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
3748 * The "<12> " is stripped before it gets to this routine. The two
3749 * trailing 0's (flip state and clock ticking) are later addition, and
3750 * some chess servers may not have them, or may have only the first.
3751 * Additional trailing fields may be added in the future.
3754 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
3756 #define RELATION_OBSERVING_PLAYED 0
3757 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3758 #define RELATION_PLAYING_MYMOVE 1
3759 #define RELATION_PLAYING_NOTMYMOVE -1
3760 #define RELATION_EXAMINING 2
3761 #define RELATION_ISOLATED_BOARD -3
3762 #define RELATION_STARTING_POSITION -4 /* FICS only */
3765 ParseBoard12(string)
3768 GameMode newGameMode;
3769 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3770 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3771 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3772 char to_play, board_chars[200];
3773 char move_str[500], str[500], elapsed_time[500];
3774 char black[32], white[32];
3776 int prevMove = currentMove;
3779 int fromX, fromY, toX, toY;
3781 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3782 char *bookHit = NULL; // [HGM] book
3783 Boolean weird = FALSE, reqFlag = FALSE;
3785 fromX = fromY = toX = toY = -1;
3789 if (appData.debugMode)
3790 fprintf(debugFP, _("Parsing board: %s\n"), string);
3792 move_str[0] = NULLCHAR;
3793 elapsed_time[0] = NULLCHAR;
3794 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3796 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3797 if(string[i] == ' ') { ranks++; files = 0; }
3799 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3802 for(j = 0; j <i; j++) board_chars[j] = string[j];
3803 board_chars[i] = '\0';
3806 n = sscanf(string, PATTERN, &to_play, &double_push,
3807 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3808 &gamenum, white, black, &relation, &basetime, &increment,
3809 &white_stren, &black_stren, &white_time, &black_time,
3810 &moveNum, str, elapsed_time, move_str, &ics_flip,
3814 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3815 DisplayError(str, 0);
3819 /* Convert the move number to internal form */
3820 moveNum = (moveNum - 1) * 2;
3821 if (to_play == 'B') moveNum++;
3822 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3823 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3829 case RELATION_OBSERVING_PLAYED:
3830 case RELATION_OBSERVING_STATIC:
3831 if (gamenum == -1) {
3832 /* Old ICC buglet */
3833 relation = RELATION_OBSERVING_STATIC;
3835 newGameMode = IcsObserving;
3837 case RELATION_PLAYING_MYMOVE:
3838 case RELATION_PLAYING_NOTMYMOVE:
3840 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3841 IcsPlayingWhite : IcsPlayingBlack;
3843 case RELATION_EXAMINING:
3844 newGameMode = IcsExamining;
3846 case RELATION_ISOLATED_BOARD:
3848 /* Just display this board. If user was doing something else,
3849 we will forget about it until the next board comes. */
3850 newGameMode = IcsIdle;
3852 case RELATION_STARTING_POSITION:
3853 newGameMode = gameMode;
3857 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3858 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3859 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3861 for (k = 0; k < ranks; k++) {
3862 for (j = 0; j < files; j++)
3863 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3864 if(gameInfo.holdingsWidth > 1) {
3865 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3866 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3869 CopyBoard(partnerBoard, board);
3870 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3871 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3872 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3873 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3874 if(toSqr = strchr(str, '-')) {
3875 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3876 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3877 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3878 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3879 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3880 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3881 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3882 sprintf(partnerStatus, "W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3883 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3884 DisplayMessage(partnerStatus, "");
3885 partnerBoardValid = TRUE;
3889 /* Modify behavior for initial board display on move listing
3892 switch (ics_getting_history) {
3896 case H_GOT_REQ_HEADER:
3897 case H_GOT_UNREQ_HEADER:
3898 /* This is the initial position of the current game */
3899 gamenum = ics_gamenum;
3900 moveNum = 0; /* old ICS bug workaround */
3901 if (to_play == 'B') {
3902 startedFromSetupPosition = TRUE;
3903 blackPlaysFirst = TRUE;
3905 if (forwardMostMove == 0) forwardMostMove = 1;
3906 if (backwardMostMove == 0) backwardMostMove = 1;
3907 if (currentMove == 0) currentMove = 1;
3909 newGameMode = gameMode;
3910 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3912 case H_GOT_UNWANTED_HEADER:
3913 /* This is an initial board that we don't want */
3915 case H_GETTING_MOVES:
3916 /* Should not happen */
3917 DisplayError(_("Error gathering move list: extra board"), 0);
3918 ics_getting_history = H_FALSE;
3922 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3923 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3924 /* [HGM] We seem to have switched variant unexpectedly
3925 * Try to guess new variant from board size
3927 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3928 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3929 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3930 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3931 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3932 if(!weird) newVariant = VariantNormal;
3933 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3934 /* Get a move list just to see the header, which
3935 will tell us whether this is really bug or zh */
3936 if (ics_getting_history == H_FALSE) {
3937 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3938 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3943 /* Take action if this is the first board of a new game, or of a
3944 different game than is currently being displayed. */
3945 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3946 relation == RELATION_ISOLATED_BOARD) {
3948 /* Forget the old game and get the history (if any) of the new one */
3949 if (gameMode != BeginningOfGame) {
3953 if (appData.autoRaiseBoard) BoardToTop();
3955 if (gamenum == -1) {
3956 newGameMode = IcsIdle;
3957 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3958 appData.getMoveList && !reqFlag) {
3959 /* Need to get game history */
3960 ics_getting_history = H_REQUESTED;
3961 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3965 /* Initially flip the board to have black on the bottom if playing
3966 black or if the ICS flip flag is set, but let the user change
3967 it with the Flip View button. */
3968 flipView = appData.autoFlipView ?
3969 (newGameMode == IcsPlayingBlack) || ics_flip :
3972 /* Done with values from previous mode; copy in new ones */
3973 gameMode = newGameMode;
3975 ics_gamenum = gamenum;
3976 if (gamenum == gs_gamenum) {
3977 int klen = strlen(gs_kind);
3978 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3979 sprintf(str, "ICS %s", gs_kind);
3980 gameInfo.event = StrSave(str);
3982 gameInfo.event = StrSave("ICS game");
3984 gameInfo.site = StrSave(appData.icsHost);
3985 gameInfo.date = PGNDate();
3986 gameInfo.round = StrSave("-");
3987 gameInfo.white = StrSave(white);
3988 gameInfo.black = StrSave(black);
3989 timeControl = basetime * 60 * 1000;
3991 timeIncrement = increment * 1000;
3992 movesPerSession = 0;
3993 gameInfo.timeControl = TimeControlTagValue();
3994 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3995 if (appData.debugMode) {
3996 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3997 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3998 setbuf(debugFP, NULL);
4001 gameInfo.outOfBook = NULL;
4003 /* Do we have the ratings? */
4004 if (strcmp(player1Name, white) == 0 &&
4005 strcmp(player2Name, black) == 0) {
4006 if (appData.debugMode)
4007 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4008 player1Rating, player2Rating);
4009 gameInfo.whiteRating = player1Rating;
4010 gameInfo.blackRating = player2Rating;
4011 } else if (strcmp(player2Name, white) == 0 &&
4012 strcmp(player1Name, black) == 0) {
4013 if (appData.debugMode)
4014 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4015 player2Rating, player1Rating);
4016 gameInfo.whiteRating = player2Rating;
4017 gameInfo.blackRating = player1Rating;
4019 player1Name[0] = player2Name[0] = NULLCHAR;
4021 /* Silence shouts if requested */
4022 if (appData.quietPlay &&
4023 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4024 SendToICS(ics_prefix);
4025 SendToICS("set shout 0\n");
4029 /* Deal with midgame name changes */
4031 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4032 if (gameInfo.white) free(gameInfo.white);
4033 gameInfo.white = StrSave(white);
4035 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4036 if (gameInfo.black) free(gameInfo.black);
4037 gameInfo.black = StrSave(black);
4041 /* Throw away game result if anything actually changes in examine mode */
4042 if (gameMode == IcsExamining && !newGame) {
4043 gameInfo.result = GameUnfinished;
4044 if (gameInfo.resultDetails != NULL) {
4045 free(gameInfo.resultDetails);
4046 gameInfo.resultDetails = NULL;
4050 /* In pausing && IcsExamining mode, we ignore boards coming
4051 in if they are in a different variation than we are. */
4052 if (pauseExamInvalid) return;
4053 if (pausing && gameMode == IcsExamining) {
4054 if (moveNum <= pauseExamForwardMostMove) {
4055 pauseExamInvalid = TRUE;
4056 forwardMostMove = pauseExamForwardMostMove;
4061 if (appData.debugMode) {
4062 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4064 /* Parse the board */
4065 for (k = 0; k < ranks; k++) {
4066 for (j = 0; j < files; j++)
4067 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4068 if(gameInfo.holdingsWidth > 1) {
4069 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4070 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4073 CopyBoard(boards[moveNum], board);
4074 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4076 startedFromSetupPosition =
4077 !CompareBoards(board, initialPosition);
4078 if(startedFromSetupPosition)
4079 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4082 /* [HGM] Set castling rights. Take the outermost Rooks,
4083 to make it also work for FRC opening positions. Note that board12
4084 is really defective for later FRC positions, as it has no way to
4085 indicate which Rook can castle if they are on the same side of King.
4086 For the initial position we grant rights to the outermost Rooks,
4087 and remember thos rights, and we then copy them on positions
4088 later in an FRC game. This means WB might not recognize castlings with
4089 Rooks that have moved back to their original position as illegal,
4090 but in ICS mode that is not its job anyway.
4092 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4093 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4095 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4096 if(board[0][i] == WhiteRook) j = i;
4097 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4098 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4099 if(board[0][i] == WhiteRook) j = i;
4100 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4101 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4102 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4103 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4104 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4105 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4106 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4108 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4109 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4110 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4111 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4112 if(board[BOARD_HEIGHT-1][k] == bKing)
4113 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4114 if(gameInfo.variant == VariantTwoKings) {
4115 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4116 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4117 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4120 r = boards[moveNum][CASTLING][0] = initialRights[0];
4121 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4122 r = boards[moveNum][CASTLING][1] = initialRights[1];
4123 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4124 r = boards[moveNum][CASTLING][3] = initialRights[3];
4125 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4126 r = boards[moveNum][CASTLING][4] = initialRights[4];
4127 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4128 /* wildcastle kludge: always assume King has rights */
4129 r = boards[moveNum][CASTLING][2] = initialRights[2];
4130 r = boards[moveNum][CASTLING][5] = initialRights[5];
4132 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4133 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4136 if (ics_getting_history == H_GOT_REQ_HEADER ||
4137 ics_getting_history == H_GOT_UNREQ_HEADER) {
4138 /* This was an initial position from a move list, not
4139 the current position */
4143 /* Update currentMove and known move number limits */
4144 newMove = newGame || moveNum > forwardMostMove;
4147 forwardMostMove = backwardMostMove = currentMove = moveNum;
4148 if (gameMode == IcsExamining && moveNum == 0) {
4149 /* Workaround for ICS limitation: we are not told the wild
4150 type when starting to examine a game. But if we ask for
4151 the move list, the move list header will tell us */
4152 ics_getting_history = H_REQUESTED;
4153 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4156 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4157 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4159 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4160 /* [HGM] applied this also to an engine that is silently watching */
4161 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4162 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4163 gameInfo.variant == currentlyInitializedVariant) {
4164 takeback = forwardMostMove - moveNum;
4165 for (i = 0; i < takeback; i++) {
4166 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4167 SendToProgram("undo\n", &first);
4172 forwardMostMove = moveNum;
4173 if (!pausing || currentMove > forwardMostMove)
4174 currentMove = forwardMostMove;
4176 /* New part of history that is not contiguous with old part */
4177 if (pausing && gameMode == IcsExamining) {
4178 pauseExamInvalid = TRUE;
4179 forwardMostMove = pauseExamForwardMostMove;
4182 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4184 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4185 // [HGM] when we will receive the move list we now request, it will be
4186 // fed to the engine from the first move on. So if the engine is not
4187 // in the initial position now, bring it there.
4188 InitChessProgram(&first, 0);
4191 ics_getting_history = H_REQUESTED;
4192 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4195 forwardMostMove = backwardMostMove = currentMove = moveNum;
4198 /* Update the clocks */
4199 if (strchr(elapsed_time, '.')) {
4201 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4202 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4204 /* Time is in seconds */
4205 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4206 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4211 if (appData.zippyPlay && newGame &&
4212 gameMode != IcsObserving && gameMode != IcsIdle &&
4213 gameMode != IcsExamining)
4214 ZippyFirstBoard(moveNum, basetime, increment);
4217 /* Put the move on the move list, first converting
4218 to canonical algebraic form. */
4220 if (appData.debugMode) {
4221 if (appData.debugMode) { int f = forwardMostMove;
4222 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4223 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4224 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4226 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4227 fprintf(debugFP, "moveNum = %d\n", moveNum);
4228 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4229 setbuf(debugFP, NULL);
4231 if (moveNum <= backwardMostMove) {
4232 /* We don't know what the board looked like before
4234 strcpy(parseList[moveNum - 1], move_str);
4235 strcat(parseList[moveNum - 1], " ");
4236 strcat(parseList[moveNum - 1], elapsed_time);
4237 moveList[moveNum - 1][0] = NULLCHAR;
4238 } else if (strcmp(move_str, "none") == 0) {
4239 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4240 /* Again, we don't know what the board looked like;
4241 this is really the start of the game. */
4242 parseList[moveNum - 1][0] = NULLCHAR;
4243 moveList[moveNum - 1][0] = NULLCHAR;
4244 backwardMostMove = moveNum;
4245 startedFromSetupPosition = TRUE;
4246 fromX = fromY = toX = toY = -1;
4248 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4249 // So we parse the long-algebraic move string in stead of the SAN move
4250 int valid; char buf[MSG_SIZ], *prom;
4252 // str looks something like "Q/a1-a2"; kill the slash
4254 sprintf(buf, "%c%s", str[0], str+2);
4255 else strcpy(buf, str); // might be castling
4256 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4257 strcat(buf, prom); // long move lacks promo specification!
4258 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4259 if(appData.debugMode)
4260 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4261 strcpy(move_str, buf);
4263 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4264 &fromX, &fromY, &toX, &toY, &promoChar)
4265 || ParseOneMove(buf, moveNum - 1, &moveType,
4266 &fromX, &fromY, &toX, &toY, &promoChar);
4267 // end of long SAN patch
4269 (void) CoordsToAlgebraic(boards[moveNum - 1],
4270 PosFlags(moveNum - 1),
4271 fromY, fromX, toY, toX, promoChar,
4272 parseList[moveNum-1]);
4273 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4279 if(gameInfo.variant != VariantShogi)
4280 strcat(parseList[moveNum - 1], "+");
4283 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4284 strcat(parseList[moveNum - 1], "#");
4287 strcat(parseList[moveNum - 1], " ");
4288 strcat(parseList[moveNum - 1], elapsed_time);
4289 /* currentMoveString is set as a side-effect of ParseOneMove */
4290 strcpy(moveList[moveNum - 1], currentMoveString);
4291 strcat(moveList[moveNum - 1], "\n");
4293 /* Move from ICS was illegal!? Punt. */
4294 if (appData.debugMode) {
4295 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4296 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4298 strcpy(parseList[moveNum - 1], move_str);
4299 strcat(parseList[moveNum - 1], " ");
4300 strcat(parseList[moveNum - 1], elapsed_time);
4301 moveList[moveNum - 1][0] = NULLCHAR;
4302 fromX = fromY = toX = toY = -1;
4305 if (appData.debugMode) {
4306 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4307 setbuf(debugFP, NULL);
4311 /* Send move to chess program (BEFORE animating it). */
4312 if (appData.zippyPlay && !newGame && newMove &&
4313 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4315 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4316 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4317 if (moveList[moveNum - 1][0] == NULLCHAR) {
4318 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4320 DisplayError(str, 0);
4322 if (first.sendTime) {
4323 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4325 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4326 if (firstMove && !bookHit) {
4328 if (first.useColors) {
4329 SendToProgram(gameMode == IcsPlayingWhite ?
4331 "black\ngo\n", &first);
4333 SendToProgram("go\n", &first);
4335 first.maybeThinking = TRUE;
4338 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4339 if (moveList[moveNum - 1][0] == NULLCHAR) {
4340 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4341 DisplayError(str, 0);
4343 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4344 SendMoveToProgram(moveNum - 1, &first);
4351 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4352 /* If move comes from a remote source, animate it. If it
4353 isn't remote, it will have already been animated. */
4354 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4355 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4357 if (!pausing && appData.highlightLastMove) {
4358 SetHighlights(fromX, fromY, toX, toY);
4362 /* Start the clocks */
4363 whiteFlag = blackFlag = FALSE;
4364 appData.clockMode = !(basetime == 0 && increment == 0);
4366 ics_clock_paused = TRUE;
4368 } else if (ticking == 1) {
4369 ics_clock_paused = FALSE;
4371 if (gameMode == IcsIdle ||
4372 relation == RELATION_OBSERVING_STATIC ||
4373 relation == RELATION_EXAMINING ||
4375 DisplayBothClocks();
4379 /* Display opponents and material strengths */
4380 if (gameInfo.variant != VariantBughouse &&
4381 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4382 if (tinyLayout || smallLayout) {
4383 if(gameInfo.variant == VariantNormal)
4384 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4385 gameInfo.white, white_stren, gameInfo.black, black_stren,
4386 basetime, increment);
4388 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4389 gameInfo.white, white_stren, gameInfo.black, black_stren,
4390 basetime, increment, (int) gameInfo.variant);
4392 if(gameInfo.variant == VariantNormal)
4393 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4394 gameInfo.white, white_stren, gameInfo.black, black_stren,
4395 basetime, increment);
4397 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4398 gameInfo.white, white_stren, gameInfo.black, black_stren,
4399 basetime, increment, VariantName(gameInfo.variant));
4402 if (appData.debugMode) {
4403 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4408 /* Display the board */
4409 if (!pausing && !appData.noGUI) {
4411 if (appData.premove)
4413 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4414 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4415 ClearPremoveHighlights();
4417 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4418 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4419 DrawPosition(j, boards[currentMove]);
4421 DisplayMove(moveNum - 1);
4422 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4423 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4424 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4425 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4429 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4431 if(bookHit) { // [HGM] book: simulate book reply
4432 static char bookMove[MSG_SIZ]; // a bit generous?
4434 programStats.nodes = programStats.depth = programStats.time =
4435 programStats.score = programStats.got_only_move = 0;
4436 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4438 strcpy(bookMove, "move ");
4439 strcat(bookMove, bookHit);
4440 HandleMachineMove(bookMove, &first);
4449 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4450 ics_getting_history = H_REQUESTED;
4451 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4457 AnalysisPeriodicEvent(force)
4460 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4461 && !force) || !appData.periodicUpdates)
4464 /* Send . command to Crafty to collect stats */
4465 SendToProgram(".\n", &first);
4467 /* Don't send another until we get a response (this makes
4468 us stop sending to old Crafty's which don't understand
4469 the "." command (sending illegal cmds resets node count & time,
4470 which looks bad)) */
4471 programStats.ok_to_send = 0;
4474 void ics_update_width(new_width)
4477 ics_printf("set width %d\n", new_width);
4481 SendMoveToProgram(moveNum, cps)
4483 ChessProgramState *cps;
4487 if (cps->useUsermove) {
4488 SendToProgram("usermove ", cps);
4492 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4493 int len = space - parseList[moveNum];
4494 memcpy(buf, parseList[moveNum], len);
4496 buf[len] = NULLCHAR;
4498 sprintf(buf, "%s\n", parseList[moveNum]);
4500 SendToProgram(buf, cps);
4502 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4503 AlphaRank(moveList[moveNum], 4);
4504 SendToProgram(moveList[moveNum], cps);
4505 AlphaRank(moveList[moveNum], 4); // and back
4507 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4508 * the engine. It would be nice to have a better way to identify castle
4510 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4511 && cps->useOOCastle) {
4512 int fromX = moveList[moveNum][0] - AAA;
4513 int fromY = moveList[moveNum][1] - ONE;
4514 int toX = moveList[moveNum][2] - AAA;
4515 int toY = moveList[moveNum][3] - ONE;
4516 if((boards[moveNum][fromY][fromX] == WhiteKing
4517 && boards[moveNum][toY][toX] == WhiteRook)
4518 || (boards[moveNum][fromY][fromX] == BlackKing
4519 && boards[moveNum][toY][toX] == BlackRook)) {
4520 if(toX > fromX) SendToProgram("O-O\n", cps);
4521 else SendToProgram("O-O-O\n", cps);
4523 else SendToProgram(moveList[moveNum], cps);
4525 else SendToProgram(moveList[moveNum], cps);
4526 /* End of additions by Tord */
4529 /* [HGM] setting up the opening has brought engine in force mode! */
4530 /* Send 'go' if we are in a mode where machine should play. */
4531 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4532 (gameMode == TwoMachinesPlay ||
4534 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4536 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4537 SendToProgram("go\n", cps);
4538 if (appData.debugMode) {
4539 fprintf(debugFP, "(extra)\n");
4542 setboardSpoiledMachineBlack = 0;
4546 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4548 int fromX, fromY, toX, toY;
4550 char user_move[MSG_SIZ];
4554 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4555 (int)moveType, fromX, fromY, toX, toY);
4556 DisplayError(user_move + strlen("say "), 0);
4558 case WhiteKingSideCastle:
4559 case BlackKingSideCastle:
4560 case WhiteQueenSideCastleWild:
4561 case BlackQueenSideCastleWild:
4563 case WhiteHSideCastleFR:
4564 case BlackHSideCastleFR:
4566 sprintf(user_move, "o-o\n");
4568 case WhiteQueenSideCastle:
4569 case BlackQueenSideCastle:
4570 case WhiteKingSideCastleWild:
4571 case BlackKingSideCastleWild:
4573 case WhiteASideCastleFR:
4574 case BlackASideCastleFR:
4576 sprintf(user_move, "o-o-o\n");
4578 case WhitePromotionQueen:
4579 case BlackPromotionQueen:
4580 case WhitePromotionRook:
4581 case BlackPromotionRook:
4582 case WhitePromotionBishop:
4583 case BlackPromotionBishop:
4584 case WhitePromotionKnight:
4585 case BlackPromotionKnight:
4586 case WhitePromotionKing:
4587 case BlackPromotionKing:
4588 case WhitePromotionChancellor:
4589 case BlackPromotionChancellor:
4590 case WhitePromotionArchbishop:
4591 case BlackPromotionArchbishop:
4592 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4593 sprintf(user_move, "%c%c%c%c=%c\n",
4594 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4595 PieceToChar(WhiteFerz));
4596 else if(gameInfo.variant == VariantGreat)
4597 sprintf(user_move, "%c%c%c%c=%c\n",
4598 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4599 PieceToChar(WhiteMan));
4601 sprintf(user_move, "%c%c%c%c=%c\n",
4602 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4603 PieceToChar(PromoPiece(moveType)));
4607 sprintf(user_move, "%c@%c%c\n",
4608 ToUpper(PieceToChar((ChessSquare) fromX)),
4609 AAA + toX, ONE + toY);
4612 case WhiteCapturesEnPassant:
4613 case BlackCapturesEnPassant:
4614 case IllegalMove: /* could be a variant we don't quite understand */
4615 sprintf(user_move, "%c%c%c%c\n",
4616 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4619 SendToICS(user_move);
4620 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4621 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4626 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4627 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4628 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4629 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4630 DisplayError("You cannot do this while you are playing or observing", 0);
4633 if(gameMode != IcsExamining) { // is this ever not the case?
4634 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4636 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4637 sprintf(command, "match %s", ics_handle);
4638 } else { // on FICS we must first go to general examine mode
4639 strcpy(command, "examine\nbsetup"); // and specify variant within it with bsetups
4641 if(gameInfo.variant != VariantNormal) {
4642 // try figure out wild number, as xboard names are not always valid on ICS
4643 for(i=1; i<=36; i++) {
4644 sprintf(buf, "wild/%d", i);
4645 if(StringToVariant(buf) == gameInfo.variant) break;
4647 if(i<=36 && ics_type == ICS_ICC) sprintf(buf, "%s w%d\n", command, i);
4648 else if(i == 22) sprintf(buf, "%s fr\n", command);
4649 else sprintf(buf, "%s %s\n", command, VariantName(gameInfo.variant));
4650 } else sprintf(buf, "%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4651 SendToICS(ics_prefix);
4653 if(startedFromSetupPosition || backwardMostMove != 0) {
4654 fen = PositionToFEN(backwardMostMove, NULL);
4655 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4656 sprintf(buf, "loadfen %s\n", fen);
4658 } else { // FICS: everything has to set by separate bsetup commands
4659 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4660 sprintf(buf, "bsetup fen %s\n", fen);
4662 if(!WhiteOnMove(backwardMostMove)) {
4663 SendToICS("bsetup tomove black\n");
4665 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4666 sprintf(buf, "bsetup wcastle %s\n", castlingStrings[i]);
4668 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4669 sprintf(buf, "bsetup bcastle %s\n", castlingStrings[i]);
4671 i = boards[backwardMostMove][EP_STATUS];
4672 if(i >= 0) { // set e.p.
4673 sprintf(buf, "bsetup eppos %c\n", i+AAA);
4679 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4680 SendToICS("bsetup done\n"); // switch to normal examining.
4682 for(i = backwardMostMove; i<last; i++) {
4684 sprintf(buf, "%s\n", parseList[i]);
4687 SendToICS(ics_prefix);
4688 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4692 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4697 if (rf == DROP_RANK) {
4698 sprintf(move, "%c@%c%c\n",
4699 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4701 if (promoChar == 'x' || promoChar == NULLCHAR) {
4702 sprintf(move, "%c%c%c%c\n",
4703 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4705 sprintf(move, "%c%c%c%c%c\n",
4706 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4712 ProcessICSInitScript(f)
4717 while (fgets(buf, MSG_SIZ, f)) {
4718 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4725 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4727 AlphaRank(char *move, int n)
4729 // char *p = move, c; int x, y;
4731 if (appData.debugMode) {
4732 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4736 move[2]>='0' && move[2]<='9' &&
4737 move[3]>='a' && move[3]<='x' ) {
4739 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4740 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4742 if(move[0]>='0' && move[0]<='9' &&
4743 move[1]>='a' && move[1]<='x' &&
4744 move[2]>='0' && move[2]<='9' &&
4745 move[3]>='a' && move[3]<='x' ) {
4746 /* input move, Shogi -> normal */
4747 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4748 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4749 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4750 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4753 move[3]>='0' && move[3]<='9' &&
4754 move[2]>='a' && move[2]<='x' ) {
4756 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4757 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4760 move[0]>='a' && move[0]<='x' &&
4761 move[3]>='0' && move[3]<='9' &&
4762 move[2]>='a' && move[2]<='x' ) {
4763 /* output move, normal -> Shogi */
4764 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4765 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4766 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4767 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4768 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4770 if (appData.debugMode) {
4771 fprintf(debugFP, " out = '%s'\n", move);
4775 char yy_textstr[8000];
4777 /* Parser for moves from gnuchess, ICS, or user typein box */
4779 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4782 ChessMove *moveType;
4783 int *fromX, *fromY, *toX, *toY;
4786 if (appData.debugMode) {
4787 fprintf(debugFP, "move to parse: %s\n", move);
4789 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4791 switch (*moveType) {
4792 case WhitePromotionChancellor:
4793 case BlackPromotionChancellor:
4794 case WhitePromotionArchbishop:
4795 case BlackPromotionArchbishop:
4796 case WhitePromotionQueen:
4797 case BlackPromotionQueen:
4798 case WhitePromotionRook:
4799 case BlackPromotionRook:
4800 case WhitePromotionBishop:
4801 case BlackPromotionBishop:
4802 case WhitePromotionKnight:
4803 case BlackPromotionKnight:
4804 case WhitePromotionKing:
4805 case BlackPromotionKing:
4807 case WhiteCapturesEnPassant:
4808 case BlackCapturesEnPassant:
4809 case WhiteKingSideCastle:
4810 case WhiteQueenSideCastle:
4811 case BlackKingSideCastle:
4812 case BlackQueenSideCastle:
4813 case WhiteKingSideCastleWild:
4814 case WhiteQueenSideCastleWild:
4815 case BlackKingSideCastleWild:
4816 case BlackQueenSideCastleWild:
4817 /* Code added by Tord: */
4818 case WhiteHSideCastleFR:
4819 case WhiteASideCastleFR:
4820 case BlackHSideCastleFR:
4821 case BlackASideCastleFR:
4822 /* End of code added by Tord */
4823 case IllegalMove: /* bug or odd chess variant */
4824 *fromX = currentMoveString[0] - AAA;
4825 *fromY = currentMoveString[1] - ONE;
4826 *toX = currentMoveString[2] - AAA;
4827 *toY = currentMoveString[3] - ONE;
4828 *promoChar = currentMoveString[4];
4829 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4830 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4831 if (appData.debugMode) {
4832 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4834 *fromX = *fromY = *toX = *toY = 0;
4837 if (appData.testLegality) {
4838 return (*moveType != IllegalMove);
4840 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4841 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4846 *fromX = *moveType == WhiteDrop ?
4847 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4848 (int) CharToPiece(ToLower(currentMoveString[0]));
4850 *toX = currentMoveString[2] - AAA;
4851 *toY = currentMoveString[3] - ONE;
4852 *promoChar = NULLCHAR;
4856 case ImpossibleMove:
4857 case (ChessMove) 0: /* end of file */
4866 if (appData.debugMode) {
4867 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4870 *fromX = *fromY = *toX = *toY = 0;
4871 *promoChar = NULLCHAR;
4878 ParsePV(char *pv, Boolean storeComments)
4879 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4880 int fromX, fromY, toX, toY; char promoChar;
4885 endPV = forwardMostMove;
4887 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4888 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4889 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4890 if(appData.debugMode){
4891 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
4893 if(!valid && nr == 0 &&
4894 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4895 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4896 // Hande case where played move is different from leading PV move
4897 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4898 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4899 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4900 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4901 endPV += 2; // if position different, keep this
4902 moveList[endPV-1][0] = fromX + AAA;
4903 moveList[endPV-1][1] = fromY + ONE;
4904 moveList[endPV-1][2] = toX + AAA;
4905 moveList[endPV-1][3] = toY + ONE;
4906 parseList[endPV-1][0] = NULLCHAR;
4907 strcpy(moveList[endPV-2], "_0_0"); // suppress premove highlight on takeback move
4910 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4911 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4912 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4913 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4914 valid++; // allow comments in PV
4918 if(endPV+1 > framePtr) break; // no space, truncate
4921 CopyBoard(boards[endPV], boards[endPV-1]);
4922 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4923 moveList[endPV-1][0] = fromX + AAA;
4924 moveList[endPV-1][1] = fromY + ONE;
4925 moveList[endPV-1][2] = toX + AAA;
4926 moveList[endPV-1][3] = toY + ONE;
4928 CoordsToAlgebraic(boards[endPV - 1],
4929 PosFlags(endPV - 1),
4930 fromY, fromX, toY, toX, promoChar,
4931 parseList[endPV - 1]);
4933 parseList[endPV-1][0] = NULLCHAR;
4935 currentMove = endPV;
4936 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4937 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4938 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4939 DrawPosition(TRUE, boards[currentMove]);
4942 static int lastX, lastY;
4945 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4950 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4951 lastX = x; lastY = y;
4952 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4954 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4955 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
4957 do{ while(buf[index] && buf[index] != '\n') index++;
4958 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
4960 ParsePV(buf+startPV, FALSE);
4961 *start = startPV; *end = index-1;
4966 LoadPV(int x, int y)
4967 { // called on right mouse click to load PV
4968 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4969 lastX = x; lastY = y;
4970 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
4977 if(endPV < 0) return;
4979 currentMove = forwardMostMove;
4980 ClearPremoveHighlights();
4981 DrawPosition(TRUE, boards[currentMove]);
4985 MovePV(int x, int y, int h)
4986 { // step through PV based on mouse coordinates (called on mouse move)
4987 int margin = h>>3, step = 0;
4989 if(endPV < 0) return;
4990 // we must somehow check if right button is still down (might be released off board!)
4991 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4992 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4993 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4995 lastX = x; lastY = y;
4996 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4997 currentMove += step;
4998 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4999 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5000 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5001 DrawPosition(FALSE, boards[currentMove]);
5005 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5006 // All positions will have equal probability, but the current method will not provide a unique
5007 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5013 int piecesLeft[(int)BlackPawn];
5014 int seed, nrOfShuffles;
5016 void GetPositionNumber()
5017 { // sets global variable seed
5020 seed = appData.defaultFrcPosition;
5021 if(seed < 0) { // randomize based on time for negative FRC position numbers
5022 for(i=0; i<50; i++) seed += random();
5023 seed = random() ^ random() >> 8 ^ random() << 8;
5024 if(seed<0) seed = -seed;
5028 int put(Board board, int pieceType, int rank, int n, int shade)
5029 // put the piece on the (n-1)-th empty squares of the given shade
5033 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5034 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5035 board[rank][i] = (ChessSquare) pieceType;
5036 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5038 piecesLeft[pieceType]--;
5046 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5047 // calculate where the next piece goes, (any empty square), and put it there
5051 i = seed % squaresLeft[shade];
5052 nrOfShuffles *= squaresLeft[shade];
5053 seed /= squaresLeft[shade];
5054 put(board, pieceType, rank, i, shade);
5057 void AddTwoPieces(Board board, int pieceType, int rank)
5058 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5060 int i, n=squaresLeft[ANY], j=n-1, k;
5062 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5063 i = seed % k; // pick one
5066 while(i >= j) i -= j--;
5067 j = n - 1 - j; i += j;
5068 put(board, pieceType, rank, j, ANY);
5069 put(board, pieceType, rank, i, ANY);
5072 void SetUpShuffle(Board board, int number)
5076 GetPositionNumber(); nrOfShuffles = 1;
5078 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5079 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5080 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5082 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5084 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5085 p = (int) board[0][i];
5086 if(p < (int) BlackPawn) piecesLeft[p] ++;
5087 board[0][i] = EmptySquare;
5090 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5091 // shuffles restricted to allow normal castling put KRR first
5092 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5093 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5094 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5095 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5096 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5097 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5098 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5099 put(board, WhiteRook, 0, 0, ANY);
5100 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5103 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5104 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5105 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5106 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5107 while(piecesLeft[p] >= 2) {
5108 AddOnePiece(board, p, 0, LITE);
5109 AddOnePiece(board, p, 0, DARK);
5111 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5114 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5115 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5116 // but we leave King and Rooks for last, to possibly obey FRC restriction
5117 if(p == (int)WhiteRook) continue;
5118 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5119 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5122 // now everything is placed, except perhaps King (Unicorn) and Rooks
5124 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5125 // Last King gets castling rights
5126 while(piecesLeft[(int)WhiteUnicorn]) {
5127 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5128 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5131 while(piecesLeft[(int)WhiteKing]) {
5132 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5133 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5138 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5139 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5142 // Only Rooks can be left; simply place them all
5143 while(piecesLeft[(int)WhiteRook]) {
5144 i = put(board, WhiteRook, 0, 0, ANY);
5145 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5148 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5150 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5153 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5154 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5157 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5160 int SetCharTable( char *table, const char * map )
5161 /* [HGM] moved here from winboard.c because of its general usefulness */
5162 /* Basically a safe strcpy that uses the last character as King */
5164 int result = FALSE; int NrPieces;
5166 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5167 && NrPieces >= 12 && !(NrPieces&1)) {
5168 int i; /* [HGM] Accept even length from 12 to 34 */
5170 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5171 for( i=0; i<NrPieces/2-1; i++ ) {
5173 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5175 table[(int) WhiteKing] = map[NrPieces/2-1];
5176 table[(int) BlackKing] = map[NrPieces-1];
5184 void Prelude(Board board)
5185 { // [HGM] superchess: random selection of exo-pieces
5186 int i, j, k; ChessSquare p;
5187 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5189 GetPositionNumber(); // use FRC position number
5191 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5192 SetCharTable(pieceToChar, appData.pieceToCharTable);
5193 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5194 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5197 j = seed%4; seed /= 4;
5198 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5199 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5200 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5201 j = seed%3 + (seed%3 >= j); seed /= 3;
5202 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5203 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5204 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5205 j = seed%3; seed /= 3;
5206 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5207 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5208 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5209 j = seed%2 + (seed%2 >= j); seed /= 2;
5210 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5211 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5212 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5213 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5214 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5215 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5216 put(board, exoPieces[0], 0, 0, ANY);
5217 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5221 InitPosition(redraw)
5224 ChessSquare (* pieces)[BOARD_FILES];
5225 int i, j, pawnRow, overrule,
5226 oldx = gameInfo.boardWidth,
5227 oldy = gameInfo.boardHeight,
5228 oldh = gameInfo.holdingsWidth,
5229 oldv = gameInfo.variant;
5231 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5233 /* [AS] Initialize pv info list [HGM] and game status */
5235 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5236 pvInfoList[i].depth = 0;
5237 boards[i][EP_STATUS] = EP_NONE;
5238 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5241 initialRulePlies = 0; /* 50-move counter start */
5243 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5244 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5248 /* [HGM] logic here is completely changed. In stead of full positions */
5249 /* the initialized data only consist of the two backranks. The switch */
5250 /* selects which one we will use, which is than copied to the Board */
5251 /* initialPosition, which for the rest is initialized by Pawns and */
5252 /* empty squares. This initial position is then copied to boards[0], */
5253 /* possibly after shuffling, so that it remains available. */
5255 gameInfo.holdingsWidth = 0; /* default board sizes */
5256 gameInfo.boardWidth = 8;
5257 gameInfo.boardHeight = 8;
5258 gameInfo.holdingsSize = 0;
5259 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5260 for(i=0; i<BOARD_FILES-2; i++)
5261 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5262 initialPosition[EP_STATUS] = EP_NONE;
5263 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5265 switch (gameInfo.variant) {
5266 case VariantFischeRandom:
5267 shuffleOpenings = TRUE;
5271 case VariantShatranj:
5272 pieces = ShatranjArray;
5273 nrCastlingRights = 0;
5274 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5277 pieces = makrukArray;
5278 nrCastlingRights = 0;
5279 startedFromSetupPosition = TRUE;
5280 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5282 case VariantTwoKings:
5283 pieces = twoKingsArray;
5285 case VariantCapaRandom:
5286 shuffleOpenings = TRUE;
5287 case VariantCapablanca:
5288 pieces = CapablancaArray;
5289 gameInfo.boardWidth = 10;
5290 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5293 pieces = GothicArray;
5294 gameInfo.boardWidth = 10;
5295 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5298 pieces = JanusArray;
5299 gameInfo.boardWidth = 10;
5300 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5301 nrCastlingRights = 6;
5302 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5303 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5304 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5305 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5306 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5307 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5310 pieces = FalconArray;
5311 gameInfo.boardWidth = 10;
5312 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5314 case VariantXiangqi:
5315 pieces = XiangqiArray;
5316 gameInfo.boardWidth = 9;
5317 gameInfo.boardHeight = 10;
5318 nrCastlingRights = 0;
5319 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5322 pieces = ShogiArray;
5323 gameInfo.boardWidth = 9;
5324 gameInfo.boardHeight = 9;
5325 gameInfo.holdingsSize = 7;
5326 nrCastlingRights = 0;
5327 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5329 case VariantCourier:
5330 pieces = CourierArray;
5331 gameInfo.boardWidth = 12;
5332 nrCastlingRights = 0;
5333 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5335 case VariantKnightmate:
5336 pieces = KnightmateArray;
5337 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5340 pieces = fairyArray;
5341 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5344 pieces = GreatArray;
5345 gameInfo.boardWidth = 10;
5346 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5347 gameInfo.holdingsSize = 8;
5351 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5352 gameInfo.holdingsSize = 8;
5353 startedFromSetupPosition = TRUE;
5355 case VariantCrazyhouse:
5356 case VariantBughouse:
5358 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5359 gameInfo.holdingsSize = 5;
5361 case VariantWildCastle:
5363 /* !!?shuffle with kings guaranteed to be on d or e file */
5364 shuffleOpenings = 1;
5366 case VariantNoCastle:
5368 nrCastlingRights = 0;
5369 /* !!?unconstrained back-rank shuffle */
5370 shuffleOpenings = 1;
5375 if(appData.NrFiles >= 0) {
5376 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5377 gameInfo.boardWidth = appData.NrFiles;
5379 if(appData.NrRanks >= 0) {
5380 gameInfo.boardHeight = appData.NrRanks;
5382 if(appData.holdingsSize >= 0) {
5383 i = appData.holdingsSize;
5384 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5385 gameInfo.holdingsSize = i;
5387 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5388 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5389 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5391 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5392 if(pawnRow < 1) pawnRow = 1;
5393 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5395 /* User pieceToChar list overrules defaults */
5396 if(appData.pieceToCharTable != NULL)
5397 SetCharTable(pieceToChar, appData.pieceToCharTable);
5399 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5401 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5402 s = (ChessSquare) 0; /* account holding counts in guard band */
5403 for( i=0; i<BOARD_HEIGHT; i++ )
5404 initialPosition[i][j] = s;
5406 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5407 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5408 initialPosition[pawnRow][j] = WhitePawn;
5409 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5410 if(gameInfo.variant == VariantXiangqi) {
5412 initialPosition[pawnRow][j] =
5413 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5414 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5415 initialPosition[2][j] = WhiteCannon;
5416 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5420 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5422 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5425 initialPosition[1][j] = WhiteBishop;
5426 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5428 initialPosition[1][j] = WhiteRook;
5429 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5432 if( nrCastlingRights == -1) {
5433 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5434 /* This sets default castling rights from none to normal corners */
5435 /* Variants with other castling rights must set them themselves above */
5436 nrCastlingRights = 6;
5438 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5439 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5440 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5441 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5442 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5443 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5446 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5447 if(gameInfo.variant == VariantGreat) { // promotion commoners
5448 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5449 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5450 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5451 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5453 if (appData.debugMode) {
5454 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5456 if(shuffleOpenings) {
5457 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5458 startedFromSetupPosition = TRUE;
5460 if(startedFromPositionFile) {
5461 /* [HGM] loadPos: use PositionFile for every new game */
5462 CopyBoard(initialPosition, filePosition);
5463 for(i=0; i<nrCastlingRights; i++)
5464 initialRights[i] = filePosition[CASTLING][i];
5465 startedFromSetupPosition = TRUE;
5468 CopyBoard(boards[0], initialPosition);
5470 if(oldx != gameInfo.boardWidth ||
5471 oldy != gameInfo.boardHeight ||
5472 oldh != gameInfo.holdingsWidth
5474 || oldv == VariantGothic || // For licensing popups
5475 gameInfo.variant == VariantGothic
5478 || oldv == VariantFalcon ||
5479 gameInfo.variant == VariantFalcon
5482 InitDrawingSizes(-2 ,0);
5485 DrawPosition(TRUE, boards[currentMove]);
5489 SendBoard(cps, moveNum)
5490 ChessProgramState *cps;
5493 char message[MSG_SIZ];
5495 if (cps->useSetboard) {
5496 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5497 sprintf(message, "setboard %s\n", fen);
5498 SendToProgram(message, cps);
5504 /* Kludge to set black to move, avoiding the troublesome and now
5505 * deprecated "black" command.
5507 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5509 SendToProgram("edit\n", cps);
5510 SendToProgram("#\n", cps);
5511 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5512 bp = &boards[moveNum][i][BOARD_LEFT];
5513 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5514 if ((int) *bp < (int) BlackPawn) {
5515 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5517 if(message[0] == '+' || message[0] == '~') {
5518 sprintf(message, "%c%c%c+\n",
5519 PieceToChar((ChessSquare)(DEMOTED *bp)),
5522 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5523 message[1] = BOARD_RGHT - 1 - j + '1';
5524 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5526 SendToProgram(message, cps);
5531 SendToProgram("c\n", cps);
5532 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5533 bp = &boards[moveNum][i][BOARD_LEFT];
5534 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5535 if (((int) *bp != (int) EmptySquare)
5536 && ((int) *bp >= (int) BlackPawn)) {
5537 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5539 if(message[0] == '+' || message[0] == '~') {
5540 sprintf(message, "%c%c%c+\n",
5541 PieceToChar((ChessSquare)(DEMOTED *bp)),
5544 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5545 message[1] = BOARD_RGHT - 1 - j + '1';
5546 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5548 SendToProgram(message, cps);
5553 SendToProgram(".\n", cps);
5555 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5558 static int autoQueen; // [HGM] oneclick
5561 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5563 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5564 /* [HGM] add Shogi promotions */
5565 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5570 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5571 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5573 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5574 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5577 piece = boards[currentMove][fromY][fromX];
5578 if(gameInfo.variant == VariantShogi) {
5579 promotionZoneSize = 3;
5580 highestPromotingPiece = (int)WhiteFerz;
5581 } else if(gameInfo.variant == VariantMakruk) {
5582 promotionZoneSize = 3;
5585 // next weed out all moves that do not touch the promotion zone at all
5586 if((int)piece >= BlackPawn) {
5587 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5589 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5591 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5592 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5595 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5597 // weed out mandatory Shogi promotions
5598 if(gameInfo.variant == VariantShogi) {
5599 if(piece >= BlackPawn) {
5600 if(toY == 0 && piece == BlackPawn ||
5601 toY == 0 && piece == BlackQueen ||
5602 toY <= 1 && piece == BlackKnight) {
5607 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5608 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5609 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5616 // weed out obviously illegal Pawn moves
5617 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5618 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5619 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5620 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5621 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5622 // note we are not allowed to test for valid (non-)capture, due to premove
5625 // we either have a choice what to promote to, or (in Shogi) whether to promote
5626 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5627 *promoChoice = PieceToChar(BlackFerz); // no choice
5630 if(autoQueen) { // predetermined
5631 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5632 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5633 else *promoChoice = PieceToChar(BlackQueen);
5637 // suppress promotion popup on illegal moves that are not premoves
5638 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5639 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5640 if(appData.testLegality && !premove) {
5641 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5642 fromY, fromX, toY, toX, NULLCHAR);
5643 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5644 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5652 InPalace(row, column)
5654 { /* [HGM] for Xiangqi */
5655 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5656 column < (BOARD_WIDTH + 4)/2 &&
5657 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5662 PieceForSquare (x, y)
5666 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5669 return boards[currentMove][y][x];
5673 OKToStartUserMove(x, y)
5676 ChessSquare from_piece;
5679 if (matchMode) return FALSE;
5680 if (gameMode == EditPosition) return TRUE;
5682 if (x >= 0 && y >= 0)
5683 from_piece = boards[currentMove][y][x];
5685 from_piece = EmptySquare;
5687 if (from_piece == EmptySquare) return FALSE;
5689 white_piece = (int)from_piece >= (int)WhitePawn &&
5690 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5693 case PlayFromGameFile:
5695 case TwoMachinesPlay:
5703 case MachinePlaysWhite:
5704 case IcsPlayingBlack:
5705 if (appData.zippyPlay) return FALSE;
5707 DisplayMoveError(_("You are playing Black"));
5712 case MachinePlaysBlack:
5713 case IcsPlayingWhite:
5714 if (appData.zippyPlay) return FALSE;
5716 DisplayMoveError(_("You are playing White"));
5722 if (!white_piece && WhiteOnMove(currentMove)) {
5723 DisplayMoveError(_("It is White's turn"));
5726 if (white_piece && !WhiteOnMove(currentMove)) {
5727 DisplayMoveError(_("It is Black's turn"));
5730 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5731 /* Editing correspondence game history */
5732 /* Could disallow this or prompt for confirmation */
5737 case BeginningOfGame:
5738 if (appData.icsActive) return FALSE;
5739 if (!appData.noChessProgram) {
5741 DisplayMoveError(_("You are playing White"));
5748 if (!white_piece && WhiteOnMove(currentMove)) {
5749 DisplayMoveError(_("It is White's turn"));
5752 if (white_piece && !WhiteOnMove(currentMove)) {
5753 DisplayMoveError(_("It is Black's turn"));
5762 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5763 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5764 && gameMode != AnalyzeFile && gameMode != Training) {
5765 DisplayMoveError(_("Displayed position is not current"));
5772 OnlyMove(int *x, int *y, Boolean captures) {
5773 DisambiguateClosure cl;
5774 if (appData.zippyPlay) return FALSE;
5776 case MachinePlaysBlack:
5777 case IcsPlayingWhite:
5778 case BeginningOfGame:
5779 if(!WhiteOnMove(currentMove)) return FALSE;
5781 case MachinePlaysWhite:
5782 case IcsPlayingBlack:
5783 if(WhiteOnMove(currentMove)) return FALSE;
5788 cl.pieceIn = EmptySquare;
5793 cl.promoCharIn = NULLCHAR;
5794 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5795 if( cl.kind == NormalMove ||
5796 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5797 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5798 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5799 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5806 if(cl.kind != ImpossibleMove) return FALSE;
5807 cl.pieceIn = EmptySquare;
5812 cl.promoCharIn = NULLCHAR;
5813 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5814 if( cl.kind == NormalMove ||
5815 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5816 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5817 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5818 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5823 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5829 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5830 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5831 int lastLoadGameUseList = FALSE;
5832 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5833 ChessMove lastLoadGameStart = (ChessMove) 0;
5836 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5837 int fromX, fromY, toX, toY;
5842 ChessSquare pdown, pup;
5844 /* Check if the user is playing in turn. This is complicated because we
5845 let the user "pick up" a piece before it is his turn. So the piece he
5846 tried to pick up may have been captured by the time he puts it down!
5847 Therefore we use the color the user is supposed to be playing in this
5848 test, not the color of the piece that is currently on the starting
5849 square---except in EditGame mode, where the user is playing both
5850 sides; fortunately there the capture race can't happen. (It can
5851 now happen in IcsExamining mode, but that's just too bad. The user
5852 will get a somewhat confusing message in that case.)
5856 case PlayFromGameFile:
5858 case TwoMachinesPlay:
5862 /* We switched into a game mode where moves are not accepted,
5863 perhaps while the mouse button was down. */
5864 return ImpossibleMove;
5866 case MachinePlaysWhite:
5867 /* User is moving for Black */
5868 if (WhiteOnMove(currentMove)) {
5869 DisplayMoveError(_("It is White's turn"));
5870 return ImpossibleMove;
5874 case MachinePlaysBlack:
5875 /* User is moving for White */
5876 if (!WhiteOnMove(currentMove)) {
5877 DisplayMoveError(_("It is Black's turn"));
5878 return ImpossibleMove;
5884 case BeginningOfGame:
5887 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5888 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5889 /* User is moving for Black */
5890 if (WhiteOnMove(currentMove)) {
5891 DisplayMoveError(_("It is White's turn"));
5892 return ImpossibleMove;
5895 /* User is moving for White */
5896 if (!WhiteOnMove(currentMove)) {
5897 DisplayMoveError(_("It is Black's turn"));
5898 return ImpossibleMove;
5903 case IcsPlayingBlack:
5904 /* User is moving for Black */
5905 if (WhiteOnMove(currentMove)) {
5906 if (!appData.premove) {
5907 DisplayMoveError(_("It is White's turn"));
5908 } else if (toX >= 0 && toY >= 0) {
5911 premoveFromX = fromX;
5912 premoveFromY = fromY;
5913 premovePromoChar = promoChar;
5915 if (appData.debugMode)
5916 fprintf(debugFP, "Got premove: fromX %d,"
5917 "fromY %d, toX %d, toY %d\n",
5918 fromX, fromY, toX, toY);
5920 return ImpossibleMove;
5924 case IcsPlayingWhite:
5925 /* User is moving for White */
5926 if (!WhiteOnMove(currentMove)) {
5927 if (!appData.premove) {
5928 DisplayMoveError(_("It is Black's turn"));
5929 } else if (toX >= 0 && toY >= 0) {
5932 premoveFromX = fromX;
5933 premoveFromY = fromY;
5934 premovePromoChar = promoChar;
5936 if (appData.debugMode)
5937 fprintf(debugFP, "Got premove: fromX %d,"
5938 "fromY %d, toX %d, toY %d\n",
5939 fromX, fromY, toX, toY);
5941 return ImpossibleMove;
5949 /* EditPosition, empty square, or different color piece;
5950 click-click move is possible */
5951 if (toX == -2 || toY == -2) {
5952 boards[0][fromY][fromX] = EmptySquare;
5953 return AmbiguousMove;
5954 } else if (toX >= 0 && toY >= 0) {
5955 boards[0][toY][toX] = boards[0][fromY][fromX];
5956 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5957 if(boards[0][fromY][0] != EmptySquare) {
5958 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5959 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5962 if(fromX == BOARD_RGHT+1) {
5963 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5964 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5965 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5968 boards[0][fromY][fromX] = EmptySquare;
5969 return AmbiguousMove;
5971 return ImpossibleMove;
5974 if(toX < 0 || toY < 0) return ImpossibleMove;
5975 pdown = boards[currentMove][fromY][fromX];
5976 pup = boards[currentMove][toY][toX];
5978 /* [HGM] If move started in holdings, it means a drop */
5979 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5980 if( pup != EmptySquare ) return ImpossibleMove;
5981 if(appData.testLegality) {
5982 /* it would be more logical if LegalityTest() also figured out
5983 * which drops are legal. For now we forbid pawns on back rank.
5984 * Shogi is on its own here...
5986 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5987 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5988 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5990 return WhiteDrop; /* Not needed to specify white or black yet */
5993 /* [HGM] always test for legality, to get promotion info */
5994 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5995 fromY, fromX, toY, toX, promoChar);
5996 /* [HGM] but possibly ignore an IllegalMove result */
5997 if (appData.testLegality) {
5998 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5999 DisplayMoveError(_("Illegal move"));
6000 return ImpossibleMove;
6005 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
6006 function is made into one that returns an OK move type if FinishMove
6007 should be called. This to give the calling driver routine the
6008 opportunity to finish the userMove input with a promotion popup,
6009 without bothering the user with this for invalid or illegal moves */
6011 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
6014 /* Common tail of UserMoveEvent and DropMenuEvent */
6016 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6018 int fromX, fromY, toX, toY;
6019 /*char*/int promoChar;
6023 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6024 // [HGM] superchess: suppress promotions to non-available piece
6025 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6026 if(WhiteOnMove(currentMove)) {
6027 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6029 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6033 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6034 move type in caller when we know the move is a legal promotion */
6035 if(moveType == NormalMove && promoChar)
6036 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
6038 /* [HGM] convert drag-and-drop piece drops to standard form */
6039 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
6040 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6041 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6042 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6043 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6044 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6045 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6046 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6050 /* [HGM] <popupFix> The following if has been moved here from
6051 UserMoveEvent(). Because it seemed to belong here (why not allow
6052 piece drops in training games?), and because it can only be
6053 performed after it is known to what we promote. */
6054 if (gameMode == Training) {
6055 /* compare the move played on the board to the next move in the
6056 * game. If they match, display the move and the opponent's response.
6057 * If they don't match, display an error message.
6061 CopyBoard(testBoard, boards[currentMove]);
6062 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6064 if (CompareBoards(testBoard, boards[currentMove+1])) {
6065 ForwardInner(currentMove+1);
6067 /* Autoplay the opponent's response.
6068 * if appData.animate was TRUE when Training mode was entered,
6069 * the response will be animated.
6071 saveAnimate = appData.animate;
6072 appData.animate = animateTraining;
6073 ForwardInner(currentMove+1);
6074 appData.animate = saveAnimate;
6076 /* check for the end of the game */
6077 if (currentMove >= forwardMostMove) {
6078 gameMode = PlayFromGameFile;
6080 SetTrainingModeOff();
6081 DisplayInformation(_("End of game"));
6084 DisplayError(_("Incorrect move"), 0);
6089 /* Ok, now we know that the move is good, so we can kill
6090 the previous line in Analysis Mode */
6091 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6092 && currentMove < forwardMostMove) {
6093 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6096 /* If we need the chess program but it's dead, restart it */
6097 ResurrectChessProgram();
6099 /* A user move restarts a paused game*/
6103 thinkOutput[0] = NULLCHAR;
6105 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6107 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6109 if (gameMode == BeginningOfGame) {
6110 if (appData.noChessProgram) {
6111 gameMode = EditGame;
6115 gameMode = MachinePlaysBlack;
6118 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
6120 if (first.sendName) {
6121 sprintf(buf, "name %s\n", gameInfo.white);
6122 SendToProgram(buf, &first);
6129 /* Relay move to ICS or chess engine */
6130 if (appData.icsActive) {
6131 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6132 gameMode == IcsExamining) {
6133 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6134 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6136 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6138 // also send plain move, in case ICS does not understand atomic claims
6139 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6143 if (first.sendTime && (gameMode == BeginningOfGame ||
6144 gameMode == MachinePlaysWhite ||
6145 gameMode == MachinePlaysBlack)) {
6146 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6148 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6149 // [HGM] book: if program might be playing, let it use book
6150 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6151 first.maybeThinking = TRUE;
6152 } else SendMoveToProgram(forwardMostMove-1, &first);
6153 if (currentMove == cmailOldMove + 1) {
6154 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6158 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6162 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6168 if (WhiteOnMove(currentMove)) {
6169 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6171 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6175 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6180 case MachinePlaysBlack:
6181 case MachinePlaysWhite:
6182 /* disable certain menu options while machine is thinking */
6183 SetMachineThinkingEnables();
6190 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6192 if(bookHit) { // [HGM] book: simulate book reply
6193 static char bookMove[MSG_SIZ]; // a bit generous?
6195 programStats.nodes = programStats.depth = programStats.time =
6196 programStats.score = programStats.got_only_move = 0;
6197 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6199 strcpy(bookMove, "move ");
6200 strcat(bookMove, bookHit);
6201 HandleMachineMove(bookMove, &first);
6207 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6208 int fromX, fromY, toX, toY;
6211 /* [HGM] This routine was added to allow calling of its two logical
6212 parts from other modules in the old way. Before, UserMoveEvent()
6213 automatically called FinishMove() if the move was OK, and returned
6214 otherwise. I separated the two, in order to make it possible to
6215 slip a promotion popup in between. But that it always needs two
6216 calls, to the first part, (now called UserMoveTest() ), and to
6217 FinishMove if the first part succeeded. Calls that do not need
6218 to do anything in between, can call this routine the old way.
6220 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6221 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6222 if(moveType == AmbiguousMove)
6223 DrawPosition(FALSE, boards[currentMove]);
6224 else if(moveType != ImpossibleMove && moveType != Comment)
6225 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6229 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6236 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6237 Markers *m = (Markers *) closure;
6238 if(rf == fromY && ff == fromX)
6239 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6240 || kind == WhiteCapturesEnPassant
6241 || kind == BlackCapturesEnPassant);
6242 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6246 MarkTargetSquares(int clear)
6249 if(!appData.markers || !appData.highlightDragging ||
6250 !appData.testLegality || gameMode == EditPosition) return;
6252 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6255 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6256 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6257 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6259 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6262 DrawPosition(TRUE, NULL);
6265 void LeftClick(ClickType clickType, int xPix, int yPix)
6268 Boolean saveAnimate;
6269 static int second = 0, promotionChoice = 0;
6270 char promoChoice = NULLCHAR;
6272 if(appData.seekGraph && appData.icsActive && loggedOn &&
6273 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6274 SeekGraphClick(clickType, xPix, yPix, 0);
6278 if (clickType == Press) ErrorPopDown();
6279 MarkTargetSquares(1);
6281 x = EventToSquare(xPix, BOARD_WIDTH);
6282 y = EventToSquare(yPix, BOARD_HEIGHT);
6283 if (!flipView && y >= 0) {
6284 y = BOARD_HEIGHT - 1 - y;
6286 if (flipView && x >= 0) {
6287 x = BOARD_WIDTH - 1 - x;
6290 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6291 if(clickType == Release) return; // ignore upclick of click-click destination
6292 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6293 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6294 if(gameInfo.holdingsWidth &&
6295 (WhiteOnMove(currentMove)
6296 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6297 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6298 // click in right holdings, for determining promotion piece
6299 ChessSquare p = boards[currentMove][y][x];
6300 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6301 if(p != EmptySquare) {
6302 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6307 DrawPosition(FALSE, boards[currentMove]);
6311 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6312 if(clickType == Press
6313 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6314 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6315 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6318 autoQueen = appData.alwaysPromoteToQueen;
6321 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6322 if (clickType == Press) {
6324 if (OKToStartUserMove(x, y)) {
6328 MarkTargetSquares(0);
6329 DragPieceBegin(xPix, yPix);
6330 if (appData.highlightDragging) {
6331 SetHighlights(x, y, -1, -1);
6340 if (clickType == Press && gameMode != EditPosition) {
6345 // ignore off-board to clicks
6346 if(y < 0 || x < 0) return;
6348 /* Check if clicking again on the same color piece */
6349 fromP = boards[currentMove][fromY][fromX];
6350 toP = boards[currentMove][y][x];
6351 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6352 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6353 WhitePawn <= toP && toP <= WhiteKing &&
6354 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6355 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6356 (BlackPawn <= fromP && fromP <= BlackKing &&
6357 BlackPawn <= toP && toP <= BlackKing &&
6358 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6359 !(fromP == BlackKing && toP == BlackRook && frc))) {
6360 /* Clicked again on same color piece -- changed his mind */
6361 second = (x == fromX && y == fromY);
6362 if(!second || !OnlyMove(&x, &y, TRUE)) {
6363 if (appData.highlightDragging) {
6364 SetHighlights(x, y, -1, -1);
6368 if (OKToStartUserMove(x, y)) {
6371 MarkTargetSquares(0);
6372 DragPieceBegin(xPix, yPix);
6377 // ignore clicks on holdings
6378 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6381 if (clickType == Release && x == fromX && y == fromY) {
6382 DragPieceEnd(xPix, yPix);
6383 if (appData.animateDragging) {
6384 /* Undo animation damage if any */
6385 DrawPosition(FALSE, NULL);
6388 /* Second up/down in same square; just abort move */
6393 ClearPremoveHighlights();
6395 /* First upclick in same square; start click-click mode */
6396 SetHighlights(x, y, -1, -1);
6401 /* we now have a different from- and (possibly off-board) to-square */
6402 /* Completed move */
6405 saveAnimate = appData.animate;
6406 if (clickType == Press) {
6407 /* Finish clickclick move */
6408 if (appData.animate || appData.highlightLastMove) {
6409 SetHighlights(fromX, fromY, toX, toY);
6414 /* Finish drag move */
6415 if (appData.highlightLastMove) {
6416 SetHighlights(fromX, fromY, toX, toY);
6420 DragPieceEnd(xPix, yPix);
6421 /* Don't animate move and drag both */
6422 appData.animate = FALSE;
6425 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6426 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6427 ChessSquare piece = boards[currentMove][fromY][fromX];
6428 if(gameMode == EditPosition && piece != EmptySquare &&
6429 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6432 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6433 n = PieceToNumber(piece - (int)BlackPawn);
6434 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6435 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6436 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6438 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6439 n = PieceToNumber(piece);
6440 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6441 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6442 boards[currentMove][n][BOARD_WIDTH-2]++;
6444 boards[currentMove][fromY][fromX] = EmptySquare;
6448 DrawPosition(TRUE, boards[currentMove]);
6452 // off-board moves should not be highlighted
6453 if(x < 0 || x < 0) ClearHighlights();
6455 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6456 SetHighlights(fromX, fromY, toX, toY);
6457 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6458 // [HGM] super: promotion to captured piece selected from holdings
6459 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6460 promotionChoice = TRUE;
6461 // kludge follows to temporarily execute move on display, without promoting yet
6462 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6463 boards[currentMove][toY][toX] = p;
6464 DrawPosition(FALSE, boards[currentMove]);
6465 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6466 boards[currentMove][toY][toX] = q;
6467 DisplayMessage("Click in holdings to choose piece", "");
6472 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6473 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6474 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6477 appData.animate = saveAnimate;
6478 if (appData.animate || appData.animateDragging) {
6479 /* Undo animation damage if needed */
6480 DrawPosition(FALSE, NULL);
6484 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6485 { // front-end-free part taken out of PieceMenuPopup
6486 int whichMenu; int xSqr, ySqr;
6488 if(seekGraphUp) { // [HGM] seekgraph
6489 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6490 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6494 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6495 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6496 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6497 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6498 if(action == Press) {
6499 originalFlip = flipView;
6500 flipView = !flipView; // temporarily flip board to see game from partners perspective
6501 DrawPosition(TRUE, partnerBoard);
6502 DisplayMessage(partnerStatus, "");
6504 } else if(action == Release) {
6505 flipView = originalFlip;
6506 DrawPosition(TRUE, boards[currentMove]);
6512 xSqr = EventToSquare(x, BOARD_WIDTH);
6513 ySqr = EventToSquare(y, BOARD_HEIGHT);
6514 if (action == Release) UnLoadPV(); // [HGM] pv
6515 if (action != Press) return -2; // return code to be ignored
6518 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6520 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6521 if (xSqr < 0 || ySqr < 0) return -1;
\r
6522 whichMenu = 0; // edit-position menu
6525 if(!appData.icsEngineAnalyze) return -1;
6526 case IcsPlayingWhite:
6527 case IcsPlayingBlack:
6528 if(!appData.zippyPlay) goto noZip;
6531 case MachinePlaysWhite:
6532 case MachinePlaysBlack:
6533 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6534 if (!appData.dropMenu) {
6536 return 2; // flag front-end to grab mouse events
6538 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6539 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6542 if (xSqr < 0 || ySqr < 0) return -1;
6543 if (!appData.dropMenu || appData.testLegality &&
6544 gameInfo.variant != VariantBughouse &&
6545 gameInfo.variant != VariantCrazyhouse) return -1;
6546 whichMenu = 1; // drop menu
6552 if (((*fromX = xSqr) < 0) ||
6553 ((*fromY = ySqr) < 0)) {
6554 *fromX = *fromY = -1;
6558 *fromX = BOARD_WIDTH - 1 - *fromX;
6560 *fromY = BOARD_HEIGHT - 1 - *fromY;
6565 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6567 // char * hint = lastHint;
6568 FrontEndProgramStats stats;
6570 stats.which = cps == &first ? 0 : 1;
6571 stats.depth = cpstats->depth;
6572 stats.nodes = cpstats->nodes;
6573 stats.score = cpstats->score;
6574 stats.time = cpstats->time;
6575 stats.pv = cpstats->movelist;
6576 stats.hint = lastHint;
6577 stats.an_move_index = 0;
6578 stats.an_move_count = 0;
6580 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6581 stats.hint = cpstats->move_name;
6582 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6583 stats.an_move_count = cpstats->nr_moves;
6586 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6588 SetProgramStats( &stats );
6592 Adjudicate(ChessProgramState *cps)
6593 { // [HGM] some adjudications useful with buggy engines
6594 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6595 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6596 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6597 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6598 int k, count = 0; static int bare = 1;
6599 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6600 Boolean canAdjudicate = !appData.icsActive;
6602 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6603 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6604 if( appData.testLegality )
6605 { /* [HGM] Some more adjudications for obstinate engines */
6606 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6607 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6608 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6609 static int moveCount = 6;
6611 char *reason = NULL;
6613 /* Count what is on board. */
6614 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6615 { ChessSquare p = boards[forwardMostMove][i][j];
6619 { /* count B,N,R and other of each side */
6622 NrK++; break; // [HGM] atomic: count Kings
6626 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6627 bishopsColor |= 1 << ((i^j)&1);
6632 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6633 bishopsColor |= 1 << ((i^j)&1);
6648 PawnAdvance += m; NrPawns++;
6650 NrPieces += (p != EmptySquare);
6651 NrW += ((int)p < (int)BlackPawn);
6652 if(gameInfo.variant == VariantXiangqi &&
6653 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6654 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6655 NrW -= ((int)p < (int)BlackPawn);
6659 /* Some material-based adjudications that have to be made before stalemate test */
6660 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6661 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6662 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6663 if(canAdjudicate && appData.checkMates) {
6665 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6666 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6667 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6668 "Xboard adjudication: King destroyed", GE_XBOARD );
6673 /* Bare King in Shatranj (loses) or Losers (wins) */
6674 if( NrW == 1 || NrPieces - NrW == 1) {
6675 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6676 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6677 if(canAdjudicate && appData.checkMates) {
6679 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6680 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6681 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6682 "Xboard adjudication: Bare king", GE_XBOARD );
6686 if( gameInfo.variant == VariantShatranj && --bare < 0)
6688 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6689 if(canAdjudicate && appData.checkMates) {
6690 /* but only adjudicate if adjudication enabled */
6692 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6693 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6694 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6695 "Xboard adjudication: Bare king", GE_XBOARD );
6702 // don't wait for engine to announce game end if we can judge ourselves
6703 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6705 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6706 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6707 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6708 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6711 reason = "Xboard adjudication: 3rd check";
6712 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6722 reason = "Xboard adjudication: Stalemate";
6723 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6724 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6725 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6726 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6727 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6728 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6729 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6730 EP_CHECKMATE : EP_WINS);
6731 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6732 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6736 reason = "Xboard adjudication: Checkmate";
6737 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6741 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6743 result = GameIsDrawn; break;
6745 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6747 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6749 result = (ChessMove) 0;
6751 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6753 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6754 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6755 GameEnds( result, reason, GE_XBOARD );
6759 /* Next absolutely insufficient mating material. */
6760 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6761 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6762 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6763 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6764 { /* KBK, KNK, KK of KBKB with like Bishops */
6766 /* always flag draws, for judging claims */
6767 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6769 if(canAdjudicate && appData.materialDraws) {
6770 /* but only adjudicate them if adjudication enabled */
6771 if(engineOpponent) {
6772 SendToProgram("force\n", engineOpponent); // suppress reply
6773 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6775 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6776 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6781 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6783 ( NrWR == 1 && NrBR == 1 /* KRKR */
6784 || NrWQ==1 && NrBQ==1 /* KQKQ */
6785 || NrWN==2 || NrBN==2 /* KNNK */
6786 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6788 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6789 { /* if the first 3 moves do not show a tactical win, declare draw */
6790 if(engineOpponent) {
6791 SendToProgram("force\n", engineOpponent); // suppress reply
6792 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6794 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6795 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6798 } else moveCount = 6;
6802 if (appData.debugMode) { int i;
6803 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6804 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6805 appData.drawRepeats);
6806 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6807 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6811 // Repetition draws and 50-move rule can be applied independently of legality testing
6813 /* Check for rep-draws */
6815 for(k = forwardMostMove-2;
6816 k>=backwardMostMove && k>=forwardMostMove-100 &&
6817 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6818 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6821 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6822 /* compare castling rights */
6823 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6824 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6825 rights++; /* King lost rights, while rook still had them */
6826 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6827 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6828 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6829 rights++; /* but at least one rook lost them */
6831 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6832 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6834 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6835 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6836 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6839 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6840 && appData.drawRepeats > 1) {
6841 /* adjudicate after user-specified nr of repeats */
6842 int result = GameIsDrawn;
6843 char *details = "XBoard adjudication: repetition draw";
6844 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6845 // [HGM] xiangqi: check for forbidden perpetuals
6846 int m, ourPerpetual = 1, hisPerpetual = 1;
6847 for(m=forwardMostMove; m>k; m-=2) {
6848 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6849 ourPerpetual = 0; // the current mover did not always check
6850 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6851 hisPerpetual = 0; // the opponent did not always check
6853 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6854 ourPerpetual, hisPerpetual);
6855 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6856 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6857 details = "Xboard adjudication: perpetual checking";
6859 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6860 break; // (or we would have caught him before). Abort repetition-checking loop.
6862 // Now check for perpetual chases
6863 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6864 hisPerpetual = PerpetualChase(k, forwardMostMove);
6865 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6866 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6867 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6868 details = "Xboard adjudication: perpetual chasing";
6870 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6871 break; // Abort repetition-checking loop.
6873 // if neither of us is checking or chasing all the time, or both are, it is draw
6875 if(engineOpponent) {
6876 SendToProgram("force\n", engineOpponent); // suppress reply
6877 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6879 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6880 GameEnds( result, details, GE_XBOARD );
6883 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6884 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6888 /* Now we test for 50-move draws. Determine ply count */
6889 count = forwardMostMove;
6890 /* look for last irreversble move */
6891 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6893 /* if we hit starting position, add initial plies */
6894 if( count == backwardMostMove )
6895 count -= initialRulePlies;
6896 count = forwardMostMove - count;
6898 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6899 /* this is used to judge if draw claims are legal */
6900 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6901 if(engineOpponent) {
6902 SendToProgram("force\n", engineOpponent); // suppress reply
6903 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6905 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6906 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6910 /* if draw offer is pending, treat it as a draw claim
6911 * when draw condition present, to allow engines a way to
6912 * claim draws before making their move to avoid a race
6913 * condition occurring after their move
6915 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6917 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6918 p = "Draw claim: 50-move rule";
6919 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6920 p = "Draw claim: 3-fold repetition";
6921 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6922 p = "Draw claim: insufficient mating material";
6923 if( p != NULL && canAdjudicate) {
6924 if(engineOpponent) {
6925 SendToProgram("force\n", engineOpponent); // suppress reply
6926 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6928 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6929 GameEnds( GameIsDrawn, p, GE_XBOARD );
6934 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6935 if(engineOpponent) {
6936 SendToProgram("force\n", engineOpponent); // suppress reply
6937 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6939 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6940 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6946 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6947 { // [HGM] book: this routine intercepts moves to simulate book replies
6948 char *bookHit = NULL;
6950 //first determine if the incoming move brings opponent into his book
6951 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6952 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6953 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6954 if(bookHit != NULL && !cps->bookSuspend) {
6955 // make sure opponent is not going to reply after receiving move to book position
6956 SendToProgram("force\n", cps);
6957 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6959 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6960 // now arrange restart after book miss
6962 // after a book hit we never send 'go', and the code after the call to this routine
6963 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6965 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6966 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6967 SendToProgram(buf, cps);
6968 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6969 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6970 SendToProgram("go\n", cps);
6971 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6972 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6973 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6974 SendToProgram("go\n", cps);
6975 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6977 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6981 ChessProgramState *savedState;
6982 void DeferredBookMove(void)
6984 if(savedState->lastPing != savedState->lastPong)
6985 ScheduleDelayedEvent(DeferredBookMove, 10);
6987 HandleMachineMove(savedMessage, savedState);
6991 HandleMachineMove(message, cps)
6993 ChessProgramState *cps;
6995 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6996 char realname[MSG_SIZ];
6997 int fromX, fromY, toX, toY;
7006 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7008 * Kludge to ignore BEL characters
7010 while (*message == '\007') message++;
7013 * [HGM] engine debug message: ignore lines starting with '#' character
7015 if(cps->debug && *message == '#') return;
7018 * Look for book output
7020 if (cps == &first && bookRequested) {
7021 if (message[0] == '\t' || message[0] == ' ') {
7022 /* Part of the book output is here; append it */
7023 strcat(bookOutput, message);
7024 strcat(bookOutput, " \n");
7026 } else if (bookOutput[0] != NULLCHAR) {
7027 /* All of book output has arrived; display it */
7028 char *p = bookOutput;
7029 while (*p != NULLCHAR) {
7030 if (*p == '\t') *p = ' ';
7033 DisplayInformation(bookOutput);
7034 bookRequested = FALSE;
7035 /* Fall through to parse the current output */
7040 * Look for machine move.
7042 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7043 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7045 /* This method is only useful on engines that support ping */
7046 if (cps->lastPing != cps->lastPong) {
7047 if (gameMode == BeginningOfGame) {
7048 /* Extra move from before last new; ignore */
7049 if (appData.debugMode) {
7050 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7053 if (appData.debugMode) {
7054 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7055 cps->which, gameMode);
7058 SendToProgram("undo\n", cps);
7064 case BeginningOfGame:
7065 /* Extra move from before last reset; ignore */
7066 if (appData.debugMode) {
7067 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7074 /* Extra move after we tried to stop. The mode test is
7075 not a reliable way of detecting this problem, but it's
7076 the best we can do on engines that don't support ping.
7078 if (appData.debugMode) {
7079 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7080 cps->which, gameMode);
7082 SendToProgram("undo\n", cps);
7085 case MachinePlaysWhite:
7086 case IcsPlayingWhite:
7087 machineWhite = TRUE;
7090 case MachinePlaysBlack:
7091 case IcsPlayingBlack:
7092 machineWhite = FALSE;
7095 case TwoMachinesPlay:
7096 machineWhite = (cps->twoMachinesColor[0] == 'w');
7099 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7100 if (appData.debugMode) {
7102 "Ignoring move out of turn by %s, gameMode %d"
7103 ", forwardMost %d\n",
7104 cps->which, gameMode, forwardMostMove);
7109 if (appData.debugMode) { int f = forwardMostMove;
7110 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7111 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7112 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7114 if(cps->alphaRank) AlphaRank(machineMove, 4);
7115 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7116 &fromX, &fromY, &toX, &toY, &promoChar)) {
7117 /* Machine move could not be parsed; ignore it. */
7118 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7119 machineMove, cps->which);
7120 DisplayError(buf1, 0);
7121 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7122 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7123 if (gameMode == TwoMachinesPlay) {
7124 GameEnds(machineWhite ? BlackWins : WhiteWins,
7130 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7131 /* So we have to redo legality test with true e.p. status here, */
7132 /* to make sure an illegal e.p. capture does not slip through, */
7133 /* to cause a forfeit on a justified illegal-move complaint */
7134 /* of the opponent. */
7135 if( gameMode==TwoMachinesPlay && appData.testLegality
7136 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7139 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7140 fromY, fromX, toY, toX, promoChar);
7141 if (appData.debugMode) {
7143 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7144 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7145 fprintf(debugFP, "castling rights\n");
7147 if(moveType == IllegalMove) {
7148 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7149 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7150 GameEnds(machineWhite ? BlackWins : WhiteWins,
7153 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7154 /* [HGM] Kludge to handle engines that send FRC-style castling
7155 when they shouldn't (like TSCP-Gothic) */
7157 case WhiteASideCastleFR:
7158 case BlackASideCastleFR:
7160 currentMoveString[2]++;
7162 case WhiteHSideCastleFR:
7163 case BlackHSideCastleFR:
7165 currentMoveString[2]--;
7167 default: ; // nothing to do, but suppresses warning of pedantic compilers
7170 hintRequested = FALSE;
7171 lastHint[0] = NULLCHAR;
7172 bookRequested = FALSE;
7173 /* Program may be pondering now */
7174 cps->maybeThinking = TRUE;
7175 if (cps->sendTime == 2) cps->sendTime = 1;
7176 if (cps->offeredDraw) cps->offeredDraw--;
7178 /* currentMoveString is set as a side-effect of ParseOneMove */
7179 strcpy(machineMove, currentMoveString);
7180 strcat(machineMove, "\n");
7181 strcpy(moveList[forwardMostMove], machineMove);
7183 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7185 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7186 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7189 while( count < adjudicateLossPlies ) {
7190 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7193 score = -score; /* Flip score for winning side */
7196 if( score > adjudicateLossThreshold ) {
7203 if( count >= adjudicateLossPlies ) {
7204 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7206 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7207 "Xboard adjudication",
7214 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7217 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7219 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7220 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7222 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7224 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7226 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7227 char buf[3*MSG_SIZ];
7229 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7230 programStats.score / 100.,
7232 programStats.time / 100.,
7233 (unsigned int)programStats.nodes,
7234 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7235 programStats.movelist);
7237 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7242 /* [AS] Save move info and clear stats for next move */
7243 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
7244 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
7245 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7246 ClearProgramStats();
7247 thinkOutput[0] = NULLCHAR;
7248 hiddenThinkOutputState = 0;
7251 if (gameMode == TwoMachinesPlay) {
7252 /* [HGM] relaying draw offers moved to after reception of move */
7253 /* and interpreting offer as claim if it brings draw condition */
7254 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7255 SendToProgram("draw\n", cps->other);
7257 if (cps->other->sendTime) {
7258 SendTimeRemaining(cps->other,
7259 cps->other->twoMachinesColor[0] == 'w');
7261 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7262 if (firstMove && !bookHit) {
7264 if (cps->other->useColors) {
7265 SendToProgram(cps->other->twoMachinesColor, cps->other);
7267 SendToProgram("go\n", cps->other);
7269 cps->other->maybeThinking = TRUE;
7272 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7274 if (!pausing && appData.ringBellAfterMoves) {
7279 * Reenable menu items that were disabled while
7280 * machine was thinking
7282 if (gameMode != TwoMachinesPlay)
7283 SetUserThinkingEnables();
7285 // [HGM] book: after book hit opponent has received move and is now in force mode
7286 // force the book reply into it, and then fake that it outputted this move by jumping
7287 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7289 static char bookMove[MSG_SIZ]; // a bit generous?
7291 strcpy(bookMove, "move ");
7292 strcat(bookMove, bookHit);
7295 programStats.nodes = programStats.depth = programStats.time =
7296 programStats.score = programStats.got_only_move = 0;
7297 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7299 if(cps->lastPing != cps->lastPong) {
7300 savedMessage = message; // args for deferred call
7302 ScheduleDelayedEvent(DeferredBookMove, 10);
7311 /* Set special modes for chess engines. Later something general
7312 * could be added here; for now there is just one kludge feature,
7313 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7314 * when "xboard" is given as an interactive command.
7316 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7317 cps->useSigint = FALSE;
7318 cps->useSigterm = FALSE;
7320 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7321 ParseFeatures(message+8, cps);
7322 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7325 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7326 * want this, I was asked to put it in, and obliged.
7328 if (!strncmp(message, "setboard ", 9)) {
7329 Board initial_position;
7331 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7333 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7334 DisplayError(_("Bad FEN received from engine"), 0);
7338 CopyBoard(boards[0], initial_position);
7339 initialRulePlies = FENrulePlies;
7340 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7341 else gameMode = MachinePlaysBlack;
7342 DrawPosition(FALSE, boards[currentMove]);
7348 * Look for communication commands
7350 if (!strncmp(message, "telluser ", 9)) {
7351 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7352 DisplayNote(message + 9);
7355 if (!strncmp(message, "tellusererror ", 14)) {
7357 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7358 DisplayError(message + 14, 0);
7361 if (!strncmp(message, "tellopponent ", 13)) {
7362 if (appData.icsActive) {
7364 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7368 DisplayNote(message + 13);
7372 if (!strncmp(message, "tellothers ", 11)) {
7373 if (appData.icsActive) {
7375 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7381 if (!strncmp(message, "tellall ", 8)) {
7382 if (appData.icsActive) {
7384 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7388 DisplayNote(message + 8);
7392 if (strncmp(message, "warning", 7) == 0) {
7393 /* Undocumented feature, use tellusererror in new code */
7394 DisplayError(message, 0);
7397 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7398 strcpy(realname, cps->tidy);
7399 strcat(realname, " query");
7400 AskQuestion(realname, buf2, buf1, cps->pr);
7403 /* Commands from the engine directly to ICS. We don't allow these to be
7404 * sent until we are logged on. Crafty kibitzes have been known to
7405 * interfere with the login process.
7408 if (!strncmp(message, "tellics ", 8)) {
7409 SendToICS(message + 8);
7413 if (!strncmp(message, "tellicsnoalias ", 15)) {
7414 SendToICS(ics_prefix);
7415 SendToICS(message + 15);
7419 /* The following are for backward compatibility only */
7420 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7421 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7422 SendToICS(ics_prefix);
7428 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7432 * If the move is illegal, cancel it and redraw the board.
7433 * Also deal with other error cases. Matching is rather loose
7434 * here to accommodate engines written before the spec.
7436 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7437 strncmp(message, "Error", 5) == 0) {
7438 if (StrStr(message, "name") ||
7439 StrStr(message, "rating") || StrStr(message, "?") ||
7440 StrStr(message, "result") || StrStr(message, "board") ||
7441 StrStr(message, "bk") || StrStr(message, "computer") ||
7442 StrStr(message, "variant") || StrStr(message, "hint") ||
7443 StrStr(message, "random") || StrStr(message, "depth") ||
7444 StrStr(message, "accepted")) {
7447 if (StrStr(message, "protover")) {
7448 /* Program is responding to input, so it's apparently done
7449 initializing, and this error message indicates it is
7450 protocol version 1. So we don't need to wait any longer
7451 for it to initialize and send feature commands. */
7452 FeatureDone(cps, 1);
7453 cps->protocolVersion = 1;
7456 cps->maybeThinking = FALSE;
7458 if (StrStr(message, "draw")) {
7459 /* Program doesn't have "draw" command */
7460 cps->sendDrawOffers = 0;
7463 if (cps->sendTime != 1 &&
7464 (StrStr(message, "time") || StrStr(message, "otim"))) {
7465 /* Program apparently doesn't have "time" or "otim" command */
7469 if (StrStr(message, "analyze")) {
7470 cps->analysisSupport = FALSE;
7471 cps->analyzing = FALSE;
7473 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7474 DisplayError(buf2, 0);
7477 if (StrStr(message, "(no matching move)st")) {
7478 /* Special kludge for GNU Chess 4 only */
7479 cps->stKludge = TRUE;
7480 SendTimeControl(cps, movesPerSession, timeControl,
7481 timeIncrement, appData.searchDepth,
7485 if (StrStr(message, "(no matching move)sd")) {
7486 /* Special kludge for GNU Chess 4 only */
7487 cps->sdKludge = TRUE;
7488 SendTimeControl(cps, movesPerSession, timeControl,
7489 timeIncrement, appData.searchDepth,
7493 if (!StrStr(message, "llegal")) {
7496 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7497 gameMode == IcsIdle) return;
7498 if (forwardMostMove <= backwardMostMove) return;
7499 if (pausing) PauseEvent();
7500 if(appData.forceIllegal) {
7501 // [HGM] illegal: machine refused move; force position after move into it
7502 SendToProgram("force\n", cps);
7503 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7504 // we have a real problem now, as SendBoard will use the a2a3 kludge
7505 // when black is to move, while there might be nothing on a2 or black
7506 // might already have the move. So send the board as if white has the move.
7507 // But first we must change the stm of the engine, as it refused the last move
7508 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7509 if(WhiteOnMove(forwardMostMove)) {
7510 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7511 SendBoard(cps, forwardMostMove); // kludgeless board
7513 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7514 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7515 SendBoard(cps, forwardMostMove+1); // kludgeless board
7517 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7518 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7519 gameMode == TwoMachinesPlay)
7520 SendToProgram("go\n", cps);
7523 if (gameMode == PlayFromGameFile) {
7524 /* Stop reading this game file */
7525 gameMode = EditGame;
7528 currentMove = forwardMostMove-1;
7529 DisplayMove(currentMove-1); /* before DisplayMoveError */
7530 SwitchClocks(forwardMostMove-1); // [HGM] race
7531 DisplayBothClocks();
7532 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7533 parseList[currentMove], cps->which);
7534 DisplayMoveError(buf1);
7535 DrawPosition(FALSE, boards[currentMove]);
7537 /* [HGM] illegal-move claim should forfeit game when Xboard */
7538 /* only passes fully legal moves */
7539 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7540 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7541 "False illegal-move claim", GE_XBOARD );
7545 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7546 /* Program has a broken "time" command that
7547 outputs a string not ending in newline.
7553 * If chess program startup fails, exit with an error message.
7554 * Attempts to recover here are futile.
7556 if ((StrStr(message, "unknown host") != NULL)
7557 || (StrStr(message, "No remote directory") != NULL)
7558 || (StrStr(message, "not found") != NULL)
7559 || (StrStr(message, "No such file") != NULL)
7560 || (StrStr(message, "can't alloc") != NULL)
7561 || (StrStr(message, "Permission denied") != NULL)) {
7563 cps->maybeThinking = FALSE;
7564 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7565 cps->which, cps->program, cps->host, message);
7566 RemoveInputSource(cps->isr);
7567 DisplayFatalError(buf1, 0, 1);
7572 * Look for hint output
7574 if (sscanf(message, "Hint: %s", buf1) == 1) {
7575 if (cps == &first && hintRequested) {
7576 hintRequested = FALSE;
7577 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7578 &fromX, &fromY, &toX, &toY, &promoChar)) {
7579 (void) CoordsToAlgebraic(boards[forwardMostMove],
7580 PosFlags(forwardMostMove),
7581 fromY, fromX, toY, toX, promoChar, buf1);
7582 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7583 DisplayInformation(buf2);
7585 /* Hint move could not be parsed!? */
7586 snprintf(buf2, sizeof(buf2),
7587 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7589 DisplayError(buf2, 0);
7592 strcpy(lastHint, buf1);
7598 * Ignore other messages if game is not in progress
7600 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7601 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7604 * look for win, lose, draw, or draw offer
7606 if (strncmp(message, "1-0", 3) == 0) {
7607 char *p, *q, *r = "";
7608 p = strchr(message, '{');
7616 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7618 } else if (strncmp(message, "0-1", 3) == 0) {
7619 char *p, *q, *r = "";
7620 p = strchr(message, '{');
7628 /* Kludge for Arasan 4.1 bug */
7629 if (strcmp(r, "Black resigns") == 0) {
7630 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7633 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7635 } else if (strncmp(message, "1/2", 3) == 0) {
7636 char *p, *q, *r = "";
7637 p = strchr(message, '{');
7646 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7649 } else if (strncmp(message, "White resign", 12) == 0) {
7650 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7652 } else if (strncmp(message, "Black resign", 12) == 0) {
7653 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7655 } else if (strncmp(message, "White matches", 13) == 0 ||
7656 strncmp(message, "Black matches", 13) == 0 ) {
7657 /* [HGM] ignore GNUShogi noises */
7659 } else if (strncmp(message, "White", 5) == 0 &&
7660 message[5] != '(' &&
7661 StrStr(message, "Black") == NULL) {
7662 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7664 } else if (strncmp(message, "Black", 5) == 0 &&
7665 message[5] != '(') {
7666 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7668 } else if (strcmp(message, "resign") == 0 ||
7669 strcmp(message, "computer resigns") == 0) {
7671 case MachinePlaysBlack:
7672 case IcsPlayingBlack:
7673 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7675 case MachinePlaysWhite:
7676 case IcsPlayingWhite:
7677 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7679 case TwoMachinesPlay:
7680 if (cps->twoMachinesColor[0] == 'w')
7681 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7683 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7690 } else if (strncmp(message, "opponent mates", 14) == 0) {
7692 case MachinePlaysBlack:
7693 case IcsPlayingBlack:
7694 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7696 case MachinePlaysWhite:
7697 case IcsPlayingWhite:
7698 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7700 case TwoMachinesPlay:
7701 if (cps->twoMachinesColor[0] == 'w')
7702 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7704 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7711 } else if (strncmp(message, "computer mates", 14) == 0) {
7713 case MachinePlaysBlack:
7714 case IcsPlayingBlack:
7715 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7717 case MachinePlaysWhite:
7718 case IcsPlayingWhite:
7719 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7721 case TwoMachinesPlay:
7722 if (cps->twoMachinesColor[0] == 'w')
7723 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7725 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7732 } else if (strncmp(message, "checkmate", 9) == 0) {
7733 if (WhiteOnMove(forwardMostMove)) {
7734 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7736 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7739 } else if (strstr(message, "Draw") != NULL ||
7740 strstr(message, "game is a draw") != NULL) {
7741 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7743 } else if (strstr(message, "offer") != NULL &&
7744 strstr(message, "draw") != NULL) {
7746 if (appData.zippyPlay && first.initDone) {
7747 /* Relay offer to ICS */
7748 SendToICS(ics_prefix);
7749 SendToICS("draw\n");
7752 cps->offeredDraw = 2; /* valid until this engine moves twice */
7753 if (gameMode == TwoMachinesPlay) {
7754 if (cps->other->offeredDraw) {
7755 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7756 /* [HGM] in two-machine mode we delay relaying draw offer */
7757 /* until after we also have move, to see if it is really claim */
7759 } else if (gameMode == MachinePlaysWhite ||
7760 gameMode == MachinePlaysBlack) {
7761 if (userOfferedDraw) {
7762 DisplayInformation(_("Machine accepts your draw offer"));
7763 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7765 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7772 * Look for thinking output
7774 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7775 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7777 int plylev, mvleft, mvtot, curscore, time;
7778 char mvname[MOVE_LEN];
7782 int prefixHint = FALSE;
7783 mvname[0] = NULLCHAR;
7786 case MachinePlaysBlack:
7787 case IcsPlayingBlack:
7788 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7790 case MachinePlaysWhite:
7791 case IcsPlayingWhite:
7792 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7797 case IcsObserving: /* [DM] icsEngineAnalyze */
7798 if (!appData.icsEngineAnalyze) ignore = TRUE;
7800 case TwoMachinesPlay:
7801 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7811 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7813 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7814 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7816 if (plyext != ' ' && plyext != '\t') {
7820 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7821 if( cps->scoreIsAbsolute &&
7822 ( gameMode == MachinePlaysBlack ||
7823 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7824 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7825 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7826 !WhiteOnMove(currentMove)
7829 curscore = -curscore;
7833 tempStats.depth = plylev;
7834 tempStats.nodes = nodes;
7835 tempStats.time = time;
7836 tempStats.score = curscore;
7837 tempStats.got_only_move = 0;
7839 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7842 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7843 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7844 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7845 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7846 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7847 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7848 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7849 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7852 /* Buffer overflow protection */
7853 if (buf1[0] != NULLCHAR) {
7854 if (strlen(buf1) >= sizeof(tempStats.movelist)
7855 && appData.debugMode) {
7857 "PV is too long; using the first %u bytes.\n",
7858 (unsigned) sizeof(tempStats.movelist) - 1);
7861 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist) );
7863 sprintf(tempStats.movelist, " no PV\n");
7866 if (tempStats.seen_stat) {
7867 tempStats.ok_to_send = 1;
7870 if (strchr(tempStats.movelist, '(') != NULL) {
7871 tempStats.line_is_book = 1;
7872 tempStats.nr_moves = 0;
7873 tempStats.moves_left = 0;
7875 tempStats.line_is_book = 0;
7878 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7879 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7881 SendProgramStatsToFrontend( cps, &tempStats );
7884 [AS] Protect the thinkOutput buffer from overflow... this
7885 is only useful if buf1 hasn't overflowed first!
7887 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7889 (gameMode == TwoMachinesPlay ?
7890 ToUpper(cps->twoMachinesColor[0]) : ' '),
7891 ((double) curscore) / 100.0,
7892 prefixHint ? lastHint : "",
7893 prefixHint ? " " : "" );
7895 if( buf1[0] != NULLCHAR ) {
7896 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7898 if( strlen(buf1) > max_len ) {
7899 if( appData.debugMode) {
7900 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7902 buf1[max_len+1] = '\0';
7905 strcat( thinkOutput, buf1 );
7908 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7909 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7910 DisplayMove(currentMove - 1);
7914 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7915 /* crafty (9.25+) says "(only move) <move>"
7916 * if there is only 1 legal move
7918 sscanf(p, "(only move) %s", buf1);
7919 sprintf(thinkOutput, "%s (only move)", buf1);
7920 sprintf(programStats.movelist, "%s (only move)", buf1);
7921 programStats.depth = 1;
7922 programStats.nr_moves = 1;
7923 programStats.moves_left = 1;
7924 programStats.nodes = 1;
7925 programStats.time = 1;
7926 programStats.got_only_move = 1;
7928 /* Not really, but we also use this member to
7929 mean "line isn't going to change" (Crafty
7930 isn't searching, so stats won't change) */
7931 programStats.line_is_book = 1;
7933 SendProgramStatsToFrontend( cps, &programStats );
7935 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7936 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7937 DisplayMove(currentMove - 1);
7940 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7941 &time, &nodes, &plylev, &mvleft,
7942 &mvtot, mvname) >= 5) {
7943 /* The stat01: line is from Crafty (9.29+) in response
7944 to the "." command */
7945 programStats.seen_stat = 1;
7946 cps->maybeThinking = TRUE;
7948 if (programStats.got_only_move || !appData.periodicUpdates)
7951 programStats.depth = plylev;
7952 programStats.time = time;
7953 programStats.nodes = nodes;
7954 programStats.moves_left = mvleft;
7955 programStats.nr_moves = mvtot;
7956 strcpy(programStats.move_name, mvname);
7957 programStats.ok_to_send = 1;
7958 programStats.movelist[0] = '\0';
7960 SendProgramStatsToFrontend( cps, &programStats );
7964 } else if (strncmp(message,"++",2) == 0) {
7965 /* Crafty 9.29+ outputs this */
7966 programStats.got_fail = 2;
7969 } else if (strncmp(message,"--",2) == 0) {
7970 /* Crafty 9.29+ outputs this */
7971 programStats.got_fail = 1;
7974 } else if (thinkOutput[0] != NULLCHAR &&
7975 strncmp(message, " ", 4) == 0) {
7976 unsigned message_len;
7979 while (*p && *p == ' ') p++;
7981 message_len = strlen( p );
7983 /* [AS] Avoid buffer overflow */
7984 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7985 strcat(thinkOutput, " ");
7986 strcat(thinkOutput, p);
7989 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7990 strcat(programStats.movelist, " ");
7991 strcat(programStats.movelist, p);
7994 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7995 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7996 DisplayMove(currentMove - 1);
8004 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8005 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8007 ChessProgramStats cpstats;
8009 if (plyext != ' ' && plyext != '\t') {
8013 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8014 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8015 curscore = -curscore;
8018 cpstats.depth = plylev;
8019 cpstats.nodes = nodes;
8020 cpstats.time = time;
8021 cpstats.score = curscore;
8022 cpstats.got_only_move = 0;
8023 cpstats.movelist[0] = '\0';
8025 if (buf1[0] != NULLCHAR) {
8026 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
8029 cpstats.ok_to_send = 0;
8030 cpstats.line_is_book = 0;
8031 cpstats.nr_moves = 0;
8032 cpstats.moves_left = 0;
8034 SendProgramStatsToFrontend( cps, &cpstats );
8041 /* Parse a game score from the character string "game", and
8042 record it as the history of the current game. The game
8043 score is NOT assumed to start from the standard position.
8044 The display is not updated in any way.
8047 ParseGameHistory(game)
8051 int fromX, fromY, toX, toY, boardIndex;
8056 if (appData.debugMode)
8057 fprintf(debugFP, "Parsing game history: %s\n", game);
8059 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8060 gameInfo.site = StrSave(appData.icsHost);
8061 gameInfo.date = PGNDate();
8062 gameInfo.round = StrSave("-");
8064 /* Parse out names of players */
8065 while (*game == ' ') game++;
8067 while (*game != ' ') *p++ = *game++;
8069 gameInfo.white = StrSave(buf);
8070 while (*game == ' ') game++;
8072 while (*game != ' ' && *game != '\n') *p++ = *game++;
8074 gameInfo.black = StrSave(buf);
8077 boardIndex = blackPlaysFirst ? 1 : 0;
8080 yyboardindex = boardIndex;
8081 moveType = (ChessMove) yylex();
8083 case IllegalMove: /* maybe suicide chess, etc. */
8084 if (appData.debugMode) {
8085 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8086 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8087 setbuf(debugFP, NULL);
8089 case WhitePromotionChancellor:
8090 case BlackPromotionChancellor:
8091 case WhitePromotionArchbishop:
8092 case BlackPromotionArchbishop:
8093 case WhitePromotionQueen:
8094 case BlackPromotionQueen:
8095 case WhitePromotionRook:
8096 case BlackPromotionRook:
8097 case WhitePromotionBishop:
8098 case BlackPromotionBishop:
8099 case WhitePromotionKnight:
8100 case BlackPromotionKnight:
8101 case WhitePromotionKing:
8102 case BlackPromotionKing:
8104 case WhiteCapturesEnPassant:
8105 case BlackCapturesEnPassant:
8106 case WhiteKingSideCastle:
8107 case WhiteQueenSideCastle:
8108 case BlackKingSideCastle:
8109 case BlackQueenSideCastle:
8110 case WhiteKingSideCastleWild:
8111 case WhiteQueenSideCastleWild:
8112 case BlackKingSideCastleWild:
8113 case BlackQueenSideCastleWild:
8115 case WhiteHSideCastleFR:
8116 case WhiteASideCastleFR:
8117 case BlackHSideCastleFR:
8118 case BlackASideCastleFR:
8120 fromX = currentMoveString[0] - AAA;
8121 fromY = currentMoveString[1] - ONE;
8122 toX = currentMoveString[2] - AAA;
8123 toY = currentMoveString[3] - ONE;
8124 promoChar = currentMoveString[4];
8128 fromX = moveType == WhiteDrop ?
8129 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8130 (int) CharToPiece(ToLower(currentMoveString[0]));
8132 toX = currentMoveString[2] - AAA;
8133 toY = currentMoveString[3] - ONE;
8134 promoChar = NULLCHAR;
8138 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8139 if (appData.debugMode) {
8140 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8141 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8142 setbuf(debugFP, NULL);
8144 DisplayError(buf, 0);
8146 case ImpossibleMove:
8148 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8149 if (appData.debugMode) {
8150 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8151 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8152 setbuf(debugFP, NULL);
8154 DisplayError(buf, 0);
8156 case (ChessMove) 0: /* end of file */
8157 if (boardIndex < backwardMostMove) {
8158 /* Oops, gap. How did that happen? */
8159 DisplayError(_("Gap in move list"), 0);
8162 backwardMostMove = blackPlaysFirst ? 1 : 0;
8163 if (boardIndex > forwardMostMove) {
8164 forwardMostMove = boardIndex;
8168 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8169 strcat(parseList[boardIndex-1], " ");
8170 strcat(parseList[boardIndex-1], yy_text);
8182 case GameUnfinished:
8183 if (gameMode == IcsExamining) {
8184 if (boardIndex < backwardMostMove) {
8185 /* Oops, gap. How did that happen? */
8188 backwardMostMove = blackPlaysFirst ? 1 : 0;
8191 gameInfo.result = moveType;
8192 p = strchr(yy_text, '{');
8193 if (p == NULL) p = strchr(yy_text, '(');
8196 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8198 q = strchr(p, *p == '{' ? '}' : ')');
8199 if (q != NULL) *q = NULLCHAR;
8202 gameInfo.resultDetails = StrSave(p);
8205 if (boardIndex >= forwardMostMove &&
8206 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8207 backwardMostMove = blackPlaysFirst ? 1 : 0;
8210 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8211 fromY, fromX, toY, toX, promoChar,
8212 parseList[boardIndex]);
8213 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8214 /* currentMoveString is set as a side-effect of yylex */
8215 strcpy(moveList[boardIndex], currentMoveString);
8216 strcat(moveList[boardIndex], "\n");
8218 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8219 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8225 if(gameInfo.variant != VariantShogi)
8226 strcat(parseList[boardIndex - 1], "+");
8230 strcat(parseList[boardIndex - 1], "#");
8237 /* Apply a move to the given board */
8239 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8240 int fromX, fromY, toX, toY;
8244 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8245 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8247 /* [HGM] compute & store e.p. status and castling rights for new position */
8248 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8251 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8252 oldEP = (signed char)board[EP_STATUS];
8253 board[EP_STATUS] = EP_NONE;
8255 if( board[toY][toX] != EmptySquare )
8256 board[EP_STATUS] = EP_CAPTURE;
8258 if( board[fromY][fromX] == WhitePawn ) {
8259 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8260 board[EP_STATUS] = EP_PAWN_MOVE;
8262 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8263 gameInfo.variant != VariantBerolina || toX < fromX)
8264 board[EP_STATUS] = toX | berolina;
8265 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8266 gameInfo.variant != VariantBerolina || toX > fromX)
8267 board[EP_STATUS] = toX;
8270 if( board[fromY][fromX] == BlackPawn ) {
8271 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8272 board[EP_STATUS] = EP_PAWN_MOVE;
8273 if( toY-fromY== -2) {
8274 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8275 gameInfo.variant != VariantBerolina || toX < fromX)
8276 board[EP_STATUS] = toX | berolina;
8277 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8278 gameInfo.variant != VariantBerolina || toX > fromX)
8279 board[EP_STATUS] = toX;
8283 for(i=0; i<nrCastlingRights; i++) {
8284 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8285 board[CASTLING][i] == toX && castlingRank[i] == toY
8286 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8291 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8292 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8293 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8295 if (fromX == toX && fromY == toY) return;
8297 if (fromY == DROP_RANK) {
8299 piece = board[toY][toX] = (ChessSquare) fromX;
8301 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8302 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8303 if(gameInfo.variant == VariantKnightmate)
8304 king += (int) WhiteUnicorn - (int) WhiteKing;
8306 /* Code added by Tord: */
8307 /* FRC castling assumed when king captures friendly rook. */
8308 if (board[fromY][fromX] == WhiteKing &&
8309 board[toY][toX] == WhiteRook) {
8310 board[fromY][fromX] = EmptySquare;
8311 board[toY][toX] = EmptySquare;
8313 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8315 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8317 } else if (board[fromY][fromX] == BlackKing &&
8318 board[toY][toX] == BlackRook) {
8319 board[fromY][fromX] = EmptySquare;
8320 board[toY][toX] = EmptySquare;
8322 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8324 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8326 /* End of code added by Tord */
8328 } else if (board[fromY][fromX] == king
8329 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8330 && toY == fromY && toX > fromX+1) {
8331 board[fromY][fromX] = EmptySquare;
8332 board[toY][toX] = king;
8333 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8334 board[fromY][BOARD_RGHT-1] = EmptySquare;
8335 } else if (board[fromY][fromX] == king
8336 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8337 && toY == fromY && toX < fromX-1) {
8338 board[fromY][fromX] = EmptySquare;
8339 board[toY][toX] = king;
8340 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8341 board[fromY][BOARD_LEFT] = EmptySquare;
8342 } else if (board[fromY][fromX] == WhitePawn
8343 && toY >= BOARD_HEIGHT-promoRank
8344 && gameInfo.variant != VariantXiangqi
8346 /* white pawn promotion */
8347 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8348 if (board[toY][toX] == EmptySquare) {
8349 board[toY][toX] = WhiteQueen;
8351 if(gameInfo.variant==VariantBughouse ||
8352 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8353 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8354 board[fromY][fromX] = EmptySquare;
8355 } else if ((fromY == BOARD_HEIGHT-4)
8357 && gameInfo.variant != VariantXiangqi
8358 && gameInfo.variant != VariantBerolina
8359 && (board[fromY][fromX] == WhitePawn)
8360 && (board[toY][toX] == EmptySquare)) {
8361 board[fromY][fromX] = EmptySquare;
8362 board[toY][toX] = WhitePawn;
8363 captured = board[toY - 1][toX];
8364 board[toY - 1][toX] = EmptySquare;
8365 } else if ((fromY == BOARD_HEIGHT-4)
8367 && gameInfo.variant == VariantBerolina
8368 && (board[fromY][fromX] == WhitePawn)
8369 && (board[toY][toX] == EmptySquare)) {
8370 board[fromY][fromX] = EmptySquare;
8371 board[toY][toX] = WhitePawn;
8372 if(oldEP & EP_BEROLIN_A) {
8373 captured = board[fromY][fromX-1];
8374 board[fromY][fromX-1] = EmptySquare;
8375 }else{ captured = board[fromY][fromX+1];
8376 board[fromY][fromX+1] = EmptySquare;
8378 } else if (board[fromY][fromX] == king
8379 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8380 && toY == fromY && toX > fromX+1) {
8381 board[fromY][fromX] = EmptySquare;
8382 board[toY][toX] = king;
8383 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8384 board[fromY][BOARD_RGHT-1] = EmptySquare;
8385 } else if (board[fromY][fromX] == king
8386 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8387 && toY == fromY && toX < fromX-1) {
8388 board[fromY][fromX] = EmptySquare;
8389 board[toY][toX] = king;
8390 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8391 board[fromY][BOARD_LEFT] = EmptySquare;
8392 } else if (fromY == 7 && fromX == 3
8393 && board[fromY][fromX] == BlackKing
8394 && toY == 7 && toX == 5) {
8395 board[fromY][fromX] = EmptySquare;
8396 board[toY][toX] = BlackKing;
8397 board[fromY][7] = EmptySquare;
8398 board[toY][4] = BlackRook;
8399 } else if (fromY == 7 && fromX == 3
8400 && board[fromY][fromX] == BlackKing
8401 && toY == 7 && toX == 1) {
8402 board[fromY][fromX] = EmptySquare;
8403 board[toY][toX] = BlackKing;
8404 board[fromY][0] = EmptySquare;
8405 board[toY][2] = BlackRook;
8406 } else if (board[fromY][fromX] == BlackPawn
8408 && gameInfo.variant != VariantXiangqi
8410 /* black pawn promotion */
8411 board[toY][toX] = CharToPiece(ToLower(promoChar));
8412 if (board[toY][toX] == EmptySquare) {
8413 board[toY][toX] = BlackQueen;
8415 if(gameInfo.variant==VariantBughouse ||
8416 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8417 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8418 board[fromY][fromX] = EmptySquare;
8419 } else if ((fromY == 3)
8421 && gameInfo.variant != VariantXiangqi
8422 && gameInfo.variant != VariantBerolina
8423 && (board[fromY][fromX] == BlackPawn)
8424 && (board[toY][toX] == EmptySquare)) {
8425 board[fromY][fromX] = EmptySquare;
8426 board[toY][toX] = BlackPawn;
8427 captured = board[toY + 1][toX];
8428 board[toY + 1][toX] = EmptySquare;
8429 } else if ((fromY == 3)
8431 && gameInfo.variant == VariantBerolina
8432 && (board[fromY][fromX] == BlackPawn)
8433 && (board[toY][toX] == EmptySquare)) {
8434 board[fromY][fromX] = EmptySquare;
8435 board[toY][toX] = BlackPawn;
8436 if(oldEP & EP_BEROLIN_A) {
8437 captured = board[fromY][fromX-1];
8438 board[fromY][fromX-1] = EmptySquare;
8439 }else{ captured = board[fromY][fromX+1];
8440 board[fromY][fromX+1] = EmptySquare;
8443 board[toY][toX] = board[fromY][fromX];
8444 board[fromY][fromX] = EmptySquare;
8447 /* [HGM] now we promote for Shogi, if needed */
8448 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8449 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8452 if (gameInfo.holdingsWidth != 0) {
8454 /* !!A lot more code needs to be written to support holdings */
8455 /* [HGM] OK, so I have written it. Holdings are stored in the */
8456 /* penultimate board files, so they are automaticlly stored */
8457 /* in the game history. */
8458 if (fromY == DROP_RANK) {
8459 /* Delete from holdings, by decreasing count */
8460 /* and erasing image if necessary */
8462 if(p < (int) BlackPawn) { /* white drop */
8463 p -= (int)WhitePawn;
8464 p = PieceToNumber((ChessSquare)p);
8465 if(p >= gameInfo.holdingsSize) p = 0;
8466 if(--board[p][BOARD_WIDTH-2] <= 0)
8467 board[p][BOARD_WIDTH-1] = EmptySquare;
8468 if((int)board[p][BOARD_WIDTH-2] < 0)
8469 board[p][BOARD_WIDTH-2] = 0;
8470 } else { /* black drop */
8471 p -= (int)BlackPawn;
8472 p = PieceToNumber((ChessSquare)p);
8473 if(p >= gameInfo.holdingsSize) p = 0;
8474 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8475 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8476 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8477 board[BOARD_HEIGHT-1-p][1] = 0;
8480 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8481 && gameInfo.variant != VariantBughouse ) {
8482 /* [HGM] holdings: Add to holdings, if holdings exist */
8483 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8484 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8485 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8488 if (p >= (int) BlackPawn) {
8489 p -= (int)BlackPawn;
8490 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8491 /* in Shogi restore piece to its original first */
8492 captured = (ChessSquare) (DEMOTED captured);
8495 p = PieceToNumber((ChessSquare)p);
8496 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8497 board[p][BOARD_WIDTH-2]++;
8498 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8500 p -= (int)WhitePawn;
8501 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8502 captured = (ChessSquare) (DEMOTED captured);
8505 p = PieceToNumber((ChessSquare)p);
8506 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8507 board[BOARD_HEIGHT-1-p][1]++;
8508 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8511 } else if (gameInfo.variant == VariantAtomic) {
8512 if (captured != EmptySquare) {
8514 for (y = toY-1; y <= toY+1; y++) {
8515 for (x = toX-1; x <= toX+1; x++) {
8516 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8517 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8518 board[y][x] = EmptySquare;
8522 board[toY][toX] = EmptySquare;
8525 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8526 /* [HGM] Shogi promotions */
8527 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8530 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8531 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8532 // [HGM] superchess: take promotion piece out of holdings
8533 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8534 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8535 if(!--board[k][BOARD_WIDTH-2])
8536 board[k][BOARD_WIDTH-1] = EmptySquare;
8538 if(!--board[BOARD_HEIGHT-1-k][1])
8539 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8545 /* Updates forwardMostMove */
8547 MakeMove(fromX, fromY, toX, toY, promoChar)
8548 int fromX, fromY, toX, toY;
8551 // forwardMostMove++; // [HGM] bare: moved downstream
8553 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8554 int timeLeft; static int lastLoadFlag=0; int king, piece;
8555 piece = boards[forwardMostMove][fromY][fromX];
8556 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8557 if(gameInfo.variant == VariantKnightmate)
8558 king += (int) WhiteUnicorn - (int) WhiteKing;
8559 if(forwardMostMove == 0) {
8561 fprintf(serverMoves, "%s;", second.tidy);
8562 fprintf(serverMoves, "%s;", first.tidy);
8563 if(!blackPlaysFirst)
8564 fprintf(serverMoves, "%s;", second.tidy);
8565 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8566 lastLoadFlag = loadFlag;
8568 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8569 // print castling suffix
8570 if( toY == fromY && piece == king ) {
8572 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8574 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8577 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8578 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8579 boards[forwardMostMove][toY][toX] == EmptySquare
8581 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8583 if(promoChar != NULLCHAR)
8584 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8586 fprintf(serverMoves, "/%d/%d",
8587 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8588 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8589 else timeLeft = blackTimeRemaining/1000;
8590 fprintf(serverMoves, "/%d", timeLeft);
8592 fflush(serverMoves);
8595 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8596 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8600 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8601 if (commentList[forwardMostMove+1] != NULL) {
8602 free(commentList[forwardMostMove+1]);
8603 commentList[forwardMostMove+1] = NULL;
8605 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8606 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8607 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8608 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8609 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8610 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8611 gameInfo.result = GameUnfinished;
8612 if (gameInfo.resultDetails != NULL) {
8613 free(gameInfo.resultDetails);
8614 gameInfo.resultDetails = NULL;
8616 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8617 moveList[forwardMostMove - 1]);
8618 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8619 PosFlags(forwardMostMove - 1),
8620 fromY, fromX, toY, toX, promoChar,
8621 parseList[forwardMostMove - 1]);
8622 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8628 if(gameInfo.variant != VariantShogi)
8629 strcat(parseList[forwardMostMove - 1], "+");
8633 strcat(parseList[forwardMostMove - 1], "#");
8636 if (appData.debugMode) {
8637 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8642 /* Updates currentMove if not pausing */
8644 ShowMove(fromX, fromY, toX, toY)
8646 int instant = (gameMode == PlayFromGameFile) ?
8647 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8648 if(appData.noGUI) return;
8649 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8651 if (forwardMostMove == currentMove + 1) {
8652 AnimateMove(boards[forwardMostMove - 1],
8653 fromX, fromY, toX, toY);
8655 if (appData.highlightLastMove) {
8656 SetHighlights(fromX, fromY, toX, toY);
8659 currentMove = forwardMostMove;
8662 if (instant) return;
8664 DisplayMove(currentMove - 1);
8665 DrawPosition(FALSE, boards[currentMove]);
8666 DisplayBothClocks();
8667 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8670 void SendEgtPath(ChessProgramState *cps)
8671 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8672 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8674 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8677 char c, *q = name+1, *r, *s;
8679 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8680 while(*p && *p != ',') *q++ = *p++;
8682 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8683 strcmp(name, ",nalimov:") == 0 ) {
8684 // take nalimov path from the menu-changeable option first, if it is defined
8685 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8686 SendToProgram(buf,cps); // send egtbpath command for nalimov
8688 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8689 (s = StrStr(appData.egtFormats, name)) != NULL) {
8690 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8691 s = r = StrStr(s, ":") + 1; // beginning of path info
8692 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8693 c = *r; *r = 0; // temporarily null-terminate path info
8694 *--q = 0; // strip of trailig ':' from name
8695 sprintf(buf, "egtpath %s %s\n", name+1, s);
8697 SendToProgram(buf,cps); // send egtbpath command for this format
8699 if(*p == ',') p++; // read away comma to position for next format name
8704 InitChessProgram(cps, setup)
8705 ChessProgramState *cps;
8706 int setup; /* [HGM] needed to setup FRC opening position */
8708 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8709 if (appData.noChessProgram) return;
8710 hintRequested = FALSE;
8711 bookRequested = FALSE;
8713 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8714 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8715 if(cps->memSize) { /* [HGM] memory */
8716 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8717 SendToProgram(buf, cps);
8719 SendEgtPath(cps); /* [HGM] EGT */
8720 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8721 sprintf(buf, "cores %d\n", appData.smpCores);
8722 SendToProgram(buf, cps);
8725 SendToProgram(cps->initString, cps);
8726 if (gameInfo.variant != VariantNormal &&
8727 gameInfo.variant != VariantLoadable
8728 /* [HGM] also send variant if board size non-standard */
8729 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8731 char *v = VariantName(gameInfo.variant);
8732 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8733 /* [HGM] in protocol 1 we have to assume all variants valid */
8734 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8735 DisplayFatalError(buf, 0, 1);
8739 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8740 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8741 if( gameInfo.variant == VariantXiangqi )
8742 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8743 if( gameInfo.variant == VariantShogi )
8744 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8745 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8746 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8747 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8748 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8749 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8750 if( gameInfo.variant == VariantCourier )
8751 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8752 if( gameInfo.variant == VariantSuper )
8753 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8754 if( gameInfo.variant == VariantGreat )
8755 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8758 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8759 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8760 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8761 if(StrStr(cps->variants, b) == NULL) {
8762 // specific sized variant not known, check if general sizing allowed
8763 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8764 if(StrStr(cps->variants, "boardsize") == NULL) {
8765 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8766 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8767 DisplayFatalError(buf, 0, 1);
8770 /* [HGM] here we really should compare with the maximum supported board size */
8773 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8774 sprintf(buf, "variant %s\n", b);
8775 SendToProgram(buf, cps);
8777 currentlyInitializedVariant = gameInfo.variant;
8779 /* [HGM] send opening position in FRC to first engine */
8781 SendToProgram("force\n", cps);
8783 /* engine is now in force mode! Set flag to wake it up after first move. */
8784 setboardSpoiledMachineBlack = 1;
8788 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8789 SendToProgram(buf, cps);
8791 cps->maybeThinking = FALSE;
8792 cps->offeredDraw = 0;
8793 if (!appData.icsActive) {
8794 SendTimeControl(cps, movesPerSession, timeControl,
8795 timeIncrement, appData.searchDepth,
8798 if (appData.showThinking
8799 // [HGM] thinking: four options require thinking output to be sent
8800 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8802 SendToProgram("post\n", cps);
8804 SendToProgram("hard\n", cps);
8805 if (!appData.ponderNextMove) {
8806 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8807 it without being sure what state we are in first. "hard"
8808 is not a toggle, so that one is OK.
8810 SendToProgram("easy\n", cps);
8813 sprintf(buf, "ping %d\n", ++cps->lastPing);
8814 SendToProgram(buf, cps);
8816 cps->initDone = TRUE;
8821 StartChessProgram(cps)
8822 ChessProgramState *cps;
8827 if (appData.noChessProgram) return;
8828 cps->initDone = FALSE;
8830 if (strcmp(cps->host, "localhost") == 0) {
8831 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8832 } else if (*appData.remoteShell == NULLCHAR) {
8833 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8835 if (*appData.remoteUser == NULLCHAR) {
8836 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8839 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8840 cps->host, appData.remoteUser, cps->program);
8842 err = StartChildProcess(buf, "", &cps->pr);
8846 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8847 DisplayFatalError(buf, err, 1);
8853 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8854 if (cps->protocolVersion > 1) {
8855 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8856 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8857 cps->comboCnt = 0; // and values of combo boxes
8858 SendToProgram(buf, cps);
8860 SendToProgram("xboard\n", cps);
8866 TwoMachinesEventIfReady P((void))
8868 if (first.lastPing != first.lastPong) {
8869 DisplayMessage("", _("Waiting for first chess program"));
8870 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8873 if (second.lastPing != second.lastPong) {
8874 DisplayMessage("", _("Waiting for second chess program"));
8875 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8883 NextMatchGame P((void))
8885 int index; /* [HGM] autoinc: step load index during match */
8887 if (*appData.loadGameFile != NULLCHAR) {
8888 index = appData.loadGameIndex;
8889 if(index < 0) { // [HGM] autoinc
8890 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8891 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8893 LoadGameFromFile(appData.loadGameFile,
8895 appData.loadGameFile, FALSE);
8896 } else if (*appData.loadPositionFile != NULLCHAR) {
8897 index = appData.loadPositionIndex;
8898 if(index < 0) { // [HGM] autoinc
8899 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8900 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8902 LoadPositionFromFile(appData.loadPositionFile,
8904 appData.loadPositionFile);
8906 TwoMachinesEventIfReady();
8909 void UserAdjudicationEvent( int result )
8911 ChessMove gameResult = GameIsDrawn;
8914 gameResult = WhiteWins;
8916 else if( result < 0 ) {
8917 gameResult = BlackWins;
8920 if( gameMode == TwoMachinesPlay ) {
8921 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8926 // [HGM] save: calculate checksum of game to make games easily identifiable
8927 int StringCheckSum(char *s)
8930 if(s==NULL) return 0;
8931 while(*s) i = i*259 + *s++;
8938 for(i=backwardMostMove; i<forwardMostMove; i++) {
8939 sum += pvInfoList[i].depth;
8940 sum += StringCheckSum(parseList[i]);
8941 sum += StringCheckSum(commentList[i]);
8944 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8945 return sum + StringCheckSum(commentList[i]);
8946 } // end of save patch
8949 GameEnds(result, resultDetails, whosays)
8951 char *resultDetails;
8954 GameMode nextGameMode;
8958 if(endingGame) return; /* [HGM] crash: forbid recursion */
8960 if(twoBoards) { // [HGM] dual: switch back to one board
8961 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
8962 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
8964 if (appData.debugMode) {
8965 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8966 result, resultDetails ? resultDetails : "(null)", whosays);
8969 fromX = fromY = -1; // [HGM] abort any move the user is entering.
8971 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8972 /* If we are playing on ICS, the server decides when the
8973 game is over, but the engine can offer to draw, claim
8977 if (appData.zippyPlay && first.initDone) {
8978 if (result == GameIsDrawn) {
8979 /* In case draw still needs to be claimed */
8980 SendToICS(ics_prefix);
8981 SendToICS("draw\n");
8982 } else if (StrCaseStr(resultDetails, "resign")) {
8983 SendToICS(ics_prefix);
8984 SendToICS("resign\n");
8988 endingGame = 0; /* [HGM] crash */
8992 /* If we're loading the game from a file, stop */
8993 if (whosays == GE_FILE) {
8994 (void) StopLoadGameTimer();
8998 /* Cancel draw offers */
8999 first.offeredDraw = second.offeredDraw = 0;
9001 /* If this is an ICS game, only ICS can really say it's done;
9002 if not, anyone can. */
9003 isIcsGame = (gameMode == IcsPlayingWhite ||
9004 gameMode == IcsPlayingBlack ||
9005 gameMode == IcsObserving ||
9006 gameMode == IcsExamining);
9008 if (!isIcsGame || whosays == GE_ICS) {
9009 /* OK -- not an ICS game, or ICS said it was done */
9011 if (!isIcsGame && !appData.noChessProgram)
9012 SetUserThinkingEnables();
9014 /* [HGM] if a machine claims the game end we verify this claim */
9015 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9016 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9018 ChessMove trueResult = (ChessMove) -1;
9020 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9021 first.twoMachinesColor[0] :
9022 second.twoMachinesColor[0] ;
9024 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9025 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9026 /* [HGM] verify: engine mate claims accepted if they were flagged */
9027 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9029 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9030 /* [HGM] verify: engine mate claims accepted if they were flagged */
9031 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9033 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9034 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9037 // now verify win claims, but not in drop games, as we don't understand those yet
9038 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9039 || gameInfo.variant == VariantGreat) &&
9040 (result == WhiteWins && claimer == 'w' ||
9041 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9042 if (appData.debugMode) {
9043 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9044 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9046 if(result != trueResult) {
9047 sprintf(buf, "False win claim: '%s'", resultDetails);
9048 result = claimer == 'w' ? BlackWins : WhiteWins;
9049 resultDetails = buf;
9052 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9053 && (forwardMostMove <= backwardMostMove ||
9054 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9055 (claimer=='b')==(forwardMostMove&1))
9057 /* [HGM] verify: draws that were not flagged are false claims */
9058 sprintf(buf, "False draw claim: '%s'", resultDetails);
9059 result = claimer == 'w' ? BlackWins : WhiteWins;
9060 resultDetails = buf;
9062 /* (Claiming a loss is accepted no questions asked!) */
9064 /* [HGM] bare: don't allow bare King to win */
9065 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9066 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9067 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9068 && result != GameIsDrawn)
9069 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9070 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9071 int p = (signed char)boards[forwardMostMove][i][j] - color;
9072 if(p >= 0 && p <= (int)WhiteKing) k++;
9074 if (appData.debugMode) {
9075 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9076 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9079 result = GameIsDrawn;
9080 sprintf(buf, "%s but bare king", resultDetails);
9081 resultDetails = buf;
9087 if(serverMoves != NULL && !loadFlag) { char c = '=';
9088 if(result==WhiteWins) c = '+';
9089 if(result==BlackWins) c = '-';
9090 if(resultDetails != NULL)
9091 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9093 if (resultDetails != NULL) {
9094 gameInfo.result = result;
9095 gameInfo.resultDetails = StrSave(resultDetails);
9097 /* display last move only if game was not loaded from file */
9098 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9099 DisplayMove(currentMove - 1);
9101 if (forwardMostMove != 0) {
9102 if (gameMode != PlayFromGameFile && gameMode != EditGame
9103 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9105 if (*appData.saveGameFile != NULLCHAR) {
9106 SaveGameToFile(appData.saveGameFile, TRUE);
9107 } else if (appData.autoSaveGames) {
9110 if (*appData.savePositionFile != NULLCHAR) {
9111 SavePositionToFile(appData.savePositionFile);
9116 /* Tell program how game ended in case it is learning */
9117 /* [HGM] Moved this to after saving the PGN, just in case */
9118 /* engine died and we got here through time loss. In that */
9119 /* case we will get a fatal error writing the pipe, which */
9120 /* would otherwise lose us the PGN. */
9121 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9122 /* output during GameEnds should never be fatal anymore */
9123 if (gameMode == MachinePlaysWhite ||
9124 gameMode == MachinePlaysBlack ||
9125 gameMode == TwoMachinesPlay ||
9126 gameMode == IcsPlayingWhite ||
9127 gameMode == IcsPlayingBlack ||
9128 gameMode == BeginningOfGame) {
9130 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9132 if (first.pr != NoProc) {
9133 SendToProgram(buf, &first);
9135 if (second.pr != NoProc &&
9136 gameMode == TwoMachinesPlay) {
9137 SendToProgram(buf, &second);
9142 if (appData.icsActive) {
9143 if (appData.quietPlay &&
9144 (gameMode == IcsPlayingWhite ||
9145 gameMode == IcsPlayingBlack)) {
9146 SendToICS(ics_prefix);
9147 SendToICS("set shout 1\n");
9149 nextGameMode = IcsIdle;
9150 ics_user_moved = FALSE;
9151 /* clean up premove. It's ugly when the game has ended and the
9152 * premove highlights are still on the board.
9156 ClearPremoveHighlights();
9157 DrawPosition(FALSE, boards[currentMove]);
9159 if (whosays == GE_ICS) {
9162 if (gameMode == IcsPlayingWhite)
9164 else if(gameMode == IcsPlayingBlack)
9168 if (gameMode == IcsPlayingBlack)
9170 else if(gameMode == IcsPlayingWhite)
9177 PlayIcsUnfinishedSound();
9180 } else if (gameMode == EditGame ||
9181 gameMode == PlayFromGameFile ||
9182 gameMode == AnalyzeMode ||
9183 gameMode == AnalyzeFile) {
9184 nextGameMode = gameMode;
9186 nextGameMode = EndOfGame;
9191 nextGameMode = gameMode;
9194 if (appData.noChessProgram) {
9195 gameMode = nextGameMode;
9197 endingGame = 0; /* [HGM] crash */
9202 /* Put first chess program into idle state */
9203 if (first.pr != NoProc &&
9204 (gameMode == MachinePlaysWhite ||
9205 gameMode == MachinePlaysBlack ||
9206 gameMode == TwoMachinesPlay ||
9207 gameMode == IcsPlayingWhite ||
9208 gameMode == IcsPlayingBlack ||
9209 gameMode == BeginningOfGame)) {
9210 SendToProgram("force\n", &first);
9211 if (first.usePing) {
9213 sprintf(buf, "ping %d\n", ++first.lastPing);
9214 SendToProgram(buf, &first);
9217 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9218 /* Kill off first chess program */
9219 if (first.isr != NULL)
9220 RemoveInputSource(first.isr);
9223 if (first.pr != NoProc) {
9225 DoSleep( appData.delayBeforeQuit );
9226 SendToProgram("quit\n", &first);
9227 DoSleep( appData.delayAfterQuit );
9228 DestroyChildProcess(first.pr, first.useSigterm);
9233 /* Put second chess program into idle state */
9234 if (second.pr != NoProc &&
9235 gameMode == TwoMachinesPlay) {
9236 SendToProgram("force\n", &second);
9237 if (second.usePing) {
9239 sprintf(buf, "ping %d\n", ++second.lastPing);
9240 SendToProgram(buf, &second);
9243 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9244 /* Kill off second chess program */
9245 if (second.isr != NULL)
9246 RemoveInputSource(second.isr);
9249 if (second.pr != NoProc) {
9250 DoSleep( appData.delayBeforeQuit );
9251 SendToProgram("quit\n", &second);
9252 DoSleep( appData.delayAfterQuit );
9253 DestroyChildProcess(second.pr, second.useSigterm);
9258 if (matchMode && gameMode == TwoMachinesPlay) {
9261 if (first.twoMachinesColor[0] == 'w') {
9268 if (first.twoMachinesColor[0] == 'b') {
9277 if (matchGame < appData.matchGames) {
9279 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9280 tmp = first.twoMachinesColor;
9281 first.twoMachinesColor = second.twoMachinesColor;
9282 second.twoMachinesColor = tmp;
9284 gameMode = nextGameMode;
9286 if(appData.matchPause>10000 || appData.matchPause<10)
9287 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9288 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9289 endingGame = 0; /* [HGM] crash */
9293 gameMode = nextGameMode;
9294 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9295 first.tidy, second.tidy,
9296 first.matchWins, second.matchWins,
9297 appData.matchGames - (first.matchWins + second.matchWins));
9298 DisplayFatalError(buf, 0, 0);
9301 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9302 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9304 gameMode = nextGameMode;
9306 endingGame = 0; /* [HGM] crash */
9309 /* Assumes program was just initialized (initString sent).
9310 Leaves program in force mode. */
9312 FeedMovesToProgram(cps, upto)
9313 ChessProgramState *cps;
9318 if (appData.debugMode)
9319 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9320 startedFromSetupPosition ? "position and " : "",
9321 backwardMostMove, upto, cps->which);
9322 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9323 // [HGM] variantswitch: make engine aware of new variant
9324 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9325 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9326 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9327 SendToProgram(buf, cps);
9328 currentlyInitializedVariant = gameInfo.variant;
9330 SendToProgram("force\n", cps);
9331 if (startedFromSetupPosition) {
9332 SendBoard(cps, backwardMostMove);
9333 if (appData.debugMode) {
9334 fprintf(debugFP, "feedMoves\n");
9337 for (i = backwardMostMove; i < upto; i++) {
9338 SendMoveToProgram(i, cps);
9344 ResurrectChessProgram()
9346 /* The chess program may have exited.
9347 If so, restart it and feed it all the moves made so far. */
9349 if (appData.noChessProgram || first.pr != NoProc) return;
9351 StartChessProgram(&first);
9352 InitChessProgram(&first, FALSE);
9353 FeedMovesToProgram(&first, currentMove);
9355 if (!first.sendTime) {
9356 /* can't tell gnuchess what its clock should read,
9357 so we bow to its notion. */
9359 timeRemaining[0][currentMove] = whiteTimeRemaining;
9360 timeRemaining[1][currentMove] = blackTimeRemaining;
9363 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9364 appData.icsEngineAnalyze) && first.analysisSupport) {
9365 SendToProgram("analyze\n", &first);
9366 first.analyzing = TRUE;
9379 if (appData.debugMode) {
9380 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9381 redraw, init, gameMode);
9383 CleanupTail(); // [HGM] vari: delete any stored variations
9384 pausing = pauseExamInvalid = FALSE;
9385 startedFromSetupPosition = blackPlaysFirst = FALSE;
9387 whiteFlag = blackFlag = FALSE;
9388 userOfferedDraw = FALSE;
9389 hintRequested = bookRequested = FALSE;
9390 first.maybeThinking = FALSE;
9391 second.maybeThinking = FALSE;
9392 first.bookSuspend = FALSE; // [HGM] book
9393 second.bookSuspend = FALSE;
9394 thinkOutput[0] = NULLCHAR;
9395 lastHint[0] = NULLCHAR;
9396 ClearGameInfo(&gameInfo);
9397 gameInfo.variant = StringToVariant(appData.variant);
9398 ics_user_moved = ics_clock_paused = FALSE;
9399 ics_getting_history = H_FALSE;
9401 white_holding[0] = black_holding[0] = NULLCHAR;
9402 ClearProgramStats();
9403 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9407 flipView = appData.flipView;
9408 ClearPremoveHighlights();
9410 alarmSounded = FALSE;
9412 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9413 if(appData.serverMovesName != NULL) {
9414 /* [HGM] prepare to make moves file for broadcasting */
9415 clock_t t = clock();
9416 if(serverMoves != NULL) fclose(serverMoves);
9417 serverMoves = fopen(appData.serverMovesName, "r");
9418 if(serverMoves != NULL) {
9419 fclose(serverMoves);
9420 /* delay 15 sec before overwriting, so all clients can see end */
9421 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9423 serverMoves = fopen(appData.serverMovesName, "w");
9427 gameMode = BeginningOfGame;
9429 if(appData.icsActive) gameInfo.variant = VariantNormal;
9430 currentMove = forwardMostMove = backwardMostMove = 0;
9431 InitPosition(redraw);
9432 for (i = 0; i < MAX_MOVES; i++) {
9433 if (commentList[i] != NULL) {
9434 free(commentList[i]);
9435 commentList[i] = NULL;
9439 timeRemaining[0][0] = whiteTimeRemaining;
9440 timeRemaining[1][0] = blackTimeRemaining;
9441 if (first.pr == NULL) {
9442 StartChessProgram(&first);
9445 InitChessProgram(&first, startedFromSetupPosition);
9448 DisplayMessage("", "");
9449 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9450 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9457 if (!AutoPlayOneMove())
9459 if (matchMode || appData.timeDelay == 0)
9461 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9463 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9472 int fromX, fromY, toX, toY;
9474 if (appData.debugMode) {
9475 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9478 if (gameMode != PlayFromGameFile)
9481 if (currentMove >= forwardMostMove) {
9482 gameMode = EditGame;
9485 /* [AS] Clear current move marker at the end of a game */
9486 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9491 toX = moveList[currentMove][2] - AAA;
9492 toY = moveList[currentMove][3] - ONE;
9494 if (moveList[currentMove][1] == '@') {
9495 if (appData.highlightLastMove) {
9496 SetHighlights(-1, -1, toX, toY);
9499 fromX = moveList[currentMove][0] - AAA;
9500 fromY = moveList[currentMove][1] - ONE;
9502 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9504 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9506 if (appData.highlightLastMove) {
9507 SetHighlights(fromX, fromY, toX, toY);
9510 DisplayMove(currentMove);
9511 SendMoveToProgram(currentMove++, &first);
9512 DisplayBothClocks();
9513 DrawPosition(FALSE, boards[currentMove]);
9514 // [HGM] PV info: always display, routine tests if empty
9515 DisplayComment(currentMove - 1, commentList[currentMove]);
9521 LoadGameOneMove(readAhead)
9522 ChessMove readAhead;
9524 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9525 char promoChar = NULLCHAR;
9530 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9531 gameMode != AnalyzeMode && gameMode != Training) {
9536 yyboardindex = forwardMostMove;
9537 if (readAhead != (ChessMove)0) {
9538 moveType = readAhead;
9540 if (gameFileFP == NULL)
9542 moveType = (ChessMove) yylex();
9548 if (appData.debugMode)
9549 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9552 /* append the comment but don't display it */
9553 AppendComment(currentMove, p, FALSE);
9556 case WhiteCapturesEnPassant:
9557 case BlackCapturesEnPassant:
9558 case WhitePromotionChancellor:
9559 case BlackPromotionChancellor:
9560 case WhitePromotionArchbishop:
9561 case BlackPromotionArchbishop:
9562 case WhitePromotionCentaur:
9563 case BlackPromotionCentaur:
9564 case WhitePromotionQueen:
9565 case BlackPromotionQueen:
9566 case WhitePromotionRook:
9567 case BlackPromotionRook:
9568 case WhitePromotionBishop:
9569 case BlackPromotionBishop:
9570 case WhitePromotionKnight:
9571 case BlackPromotionKnight:
9572 case WhitePromotionKing:
9573 case BlackPromotionKing:
9575 case WhiteKingSideCastle:
9576 case WhiteQueenSideCastle:
9577 case BlackKingSideCastle:
9578 case BlackQueenSideCastle:
9579 case WhiteKingSideCastleWild:
9580 case WhiteQueenSideCastleWild:
9581 case BlackKingSideCastleWild:
9582 case BlackQueenSideCastleWild:
9584 case WhiteHSideCastleFR:
9585 case WhiteASideCastleFR:
9586 case BlackHSideCastleFR:
9587 case BlackASideCastleFR:
9589 if (appData.debugMode)
9590 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9591 fromX = currentMoveString[0] - AAA;
9592 fromY = currentMoveString[1] - ONE;
9593 toX = currentMoveString[2] - AAA;
9594 toY = currentMoveString[3] - ONE;
9595 promoChar = currentMoveString[4];
9600 if (appData.debugMode)
9601 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9602 fromX = moveType == WhiteDrop ?
9603 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9604 (int) CharToPiece(ToLower(currentMoveString[0]));
9606 toX = currentMoveString[2] - AAA;
9607 toY = currentMoveString[3] - ONE;
9613 case GameUnfinished:
9614 if (appData.debugMode)
9615 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9616 p = strchr(yy_text, '{');
9617 if (p == NULL) p = strchr(yy_text, '(');
9620 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9622 q = strchr(p, *p == '{' ? '}' : ')');
9623 if (q != NULL) *q = NULLCHAR;
9626 GameEnds(moveType, p, GE_FILE);
9628 if (cmailMsgLoaded) {
9630 flipView = WhiteOnMove(currentMove);
9631 if (moveType == GameUnfinished) flipView = !flipView;
9632 if (appData.debugMode)
9633 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9637 case (ChessMove) 0: /* end of file */
9638 if (appData.debugMode)
9639 fprintf(debugFP, "Parser hit end of file\n");
9640 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9646 if (WhiteOnMove(currentMove)) {
9647 GameEnds(BlackWins, "Black mates", GE_FILE);
9649 GameEnds(WhiteWins, "White mates", GE_FILE);
9653 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9660 if (lastLoadGameStart == GNUChessGame) {
9661 /* GNUChessGames have numbers, but they aren't move numbers */
9662 if (appData.debugMode)
9663 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9664 yy_text, (int) moveType);
9665 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9667 /* else fall thru */
9672 /* Reached start of next game in file */
9673 if (appData.debugMode)
9674 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9675 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9681 if (WhiteOnMove(currentMove)) {
9682 GameEnds(BlackWins, "Black mates", GE_FILE);
9684 GameEnds(WhiteWins, "White mates", GE_FILE);
9688 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9694 case PositionDiagram: /* should not happen; ignore */
9695 case ElapsedTime: /* ignore */
9696 case NAG: /* ignore */
9697 if (appData.debugMode)
9698 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9699 yy_text, (int) moveType);
9700 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9703 if (appData.testLegality) {
9704 if (appData.debugMode)
9705 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9706 sprintf(move, _("Illegal move: %d.%s%s"),
9707 (forwardMostMove / 2) + 1,
9708 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9709 DisplayError(move, 0);
9712 if (appData.debugMode)
9713 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9714 yy_text, currentMoveString);
9715 fromX = currentMoveString[0] - AAA;
9716 fromY = currentMoveString[1] - ONE;
9717 toX = currentMoveString[2] - AAA;
9718 toY = currentMoveString[3] - ONE;
9719 promoChar = currentMoveString[4];
9724 if (appData.debugMode)
9725 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9726 sprintf(move, _("Ambiguous move: %d.%s%s"),
9727 (forwardMostMove / 2) + 1,
9728 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9729 DisplayError(move, 0);
9734 case ImpossibleMove:
9735 if (appData.debugMode)
9736 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9737 sprintf(move, _("Illegal move: %d.%s%s"),
9738 (forwardMostMove / 2) + 1,
9739 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9740 DisplayError(move, 0);
9746 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9747 DrawPosition(FALSE, boards[currentMove]);
9748 DisplayBothClocks();
9749 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9750 DisplayComment(currentMove - 1, commentList[currentMove]);
9752 (void) StopLoadGameTimer();
9754 cmailOldMove = forwardMostMove;
9757 /* currentMoveString is set as a side-effect of yylex */
9758 strcat(currentMoveString, "\n");
9759 strcpy(moveList[forwardMostMove], currentMoveString);
9761 thinkOutput[0] = NULLCHAR;
9762 MakeMove(fromX, fromY, toX, toY, promoChar);
9763 currentMove = forwardMostMove;
9768 /* Load the nth game from the given file */
9770 LoadGameFromFile(filename, n, title, useList)
9774 /*Boolean*/ int useList;
9779 if (strcmp(filename, "-") == 0) {
9783 f = fopen(filename, "rb");
9785 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9786 DisplayError(buf, errno);
9790 if (fseek(f, 0, 0) == -1) {
9791 /* f is not seekable; probably a pipe */
9794 if (useList && n == 0) {
9795 int error = GameListBuild(f);
9797 DisplayError(_("Cannot build game list"), error);
9798 } else if (!ListEmpty(&gameList) &&
9799 ((ListGame *) gameList.tailPred)->number > 1) {
9800 GameListPopUp(f, title);
9807 return LoadGame(f, n, title, FALSE);
9812 MakeRegisteredMove()
9814 int fromX, fromY, toX, toY;
9816 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9817 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9820 if (appData.debugMode)
9821 fprintf(debugFP, "Restoring %s for game %d\n",
9822 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9824 thinkOutput[0] = NULLCHAR;
9825 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9826 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9827 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9828 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9829 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9830 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9831 MakeMove(fromX, fromY, toX, toY, promoChar);
9832 ShowMove(fromX, fromY, toX, toY);
9834 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9841 if (WhiteOnMove(currentMove)) {
9842 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9844 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9849 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9856 if (WhiteOnMove(currentMove)) {
9857 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9859 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9864 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9875 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9877 CmailLoadGame(f, gameNumber, title, useList)
9885 if (gameNumber > nCmailGames) {
9886 DisplayError(_("No more games in this message"), 0);
9889 if (f == lastLoadGameFP) {
9890 int offset = gameNumber - lastLoadGameNumber;
9892 cmailMsg[0] = NULLCHAR;
9893 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9894 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9895 nCmailMovesRegistered--;
9897 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9898 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9899 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9902 if (! RegisterMove()) return FALSE;
9906 retVal = LoadGame(f, gameNumber, title, useList);
9908 /* Make move registered during previous look at this game, if any */
9909 MakeRegisteredMove();
9911 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9912 commentList[currentMove]
9913 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9914 DisplayComment(currentMove - 1, commentList[currentMove]);
9920 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9925 int gameNumber = lastLoadGameNumber + offset;
9926 if (lastLoadGameFP == NULL) {
9927 DisplayError(_("No game has been loaded yet"), 0);
9930 if (gameNumber <= 0) {
9931 DisplayError(_("Can't back up any further"), 0);
9934 if (cmailMsgLoaded) {
9935 return CmailLoadGame(lastLoadGameFP, gameNumber,
9936 lastLoadGameTitle, lastLoadGameUseList);
9938 return LoadGame(lastLoadGameFP, gameNumber,
9939 lastLoadGameTitle, lastLoadGameUseList);
9945 /* Load the nth game from open file f */
9947 LoadGame(f, gameNumber, title, useList)
9955 int gn = gameNumber;
9956 ListGame *lg = NULL;
9959 GameMode oldGameMode;
9960 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9962 if (appData.debugMode)
9963 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9965 if (gameMode == Training )
9966 SetTrainingModeOff();
9968 oldGameMode = gameMode;
9969 if (gameMode != BeginningOfGame) {
9974 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9975 fclose(lastLoadGameFP);
9979 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9982 fseek(f, lg->offset, 0);
9983 GameListHighlight(gameNumber);
9987 DisplayError(_("Game number out of range"), 0);
9992 if (fseek(f, 0, 0) == -1) {
9993 if (f == lastLoadGameFP ?
9994 gameNumber == lastLoadGameNumber + 1 :
9998 DisplayError(_("Can't seek on game file"), 0);
10003 lastLoadGameFP = f;
10004 lastLoadGameNumber = gameNumber;
10005 strcpy(lastLoadGameTitle, title);
10006 lastLoadGameUseList = useList;
10010 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10011 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10012 lg->gameInfo.black);
10014 } else if (*title != NULLCHAR) {
10015 if (gameNumber > 1) {
10016 sprintf(buf, "%s %d", title, gameNumber);
10019 DisplayTitle(title);
10023 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10024 gameMode = PlayFromGameFile;
10028 currentMove = forwardMostMove = backwardMostMove = 0;
10029 CopyBoard(boards[0], initialPosition);
10033 * Skip the first gn-1 games in the file.
10034 * Also skip over anything that precedes an identifiable
10035 * start of game marker, to avoid being confused by
10036 * garbage at the start of the file. Currently
10037 * recognized start of game markers are the move number "1",
10038 * the pattern "gnuchess .* game", the pattern
10039 * "^[#;%] [^ ]* game file", and a PGN tag block.
10040 * A game that starts with one of the latter two patterns
10041 * will also have a move number 1, possibly
10042 * following a position diagram.
10043 * 5-4-02: Let's try being more lenient and allowing a game to
10044 * start with an unnumbered move. Does that break anything?
10046 cm = lastLoadGameStart = (ChessMove) 0;
10048 yyboardindex = forwardMostMove;
10049 cm = (ChessMove) yylex();
10051 case (ChessMove) 0:
10052 if (cmailMsgLoaded) {
10053 nCmailGames = CMAIL_MAX_GAMES - gn;
10056 DisplayError(_("Game not found in file"), 0);
10063 lastLoadGameStart = cm;
10066 case MoveNumberOne:
10067 switch (lastLoadGameStart) {
10072 case MoveNumberOne:
10073 case (ChessMove) 0:
10074 gn--; /* count this game */
10075 lastLoadGameStart = cm;
10084 switch (lastLoadGameStart) {
10087 case MoveNumberOne:
10088 case (ChessMove) 0:
10089 gn--; /* count this game */
10090 lastLoadGameStart = cm;
10093 lastLoadGameStart = cm; /* game counted already */
10101 yyboardindex = forwardMostMove;
10102 cm = (ChessMove) yylex();
10103 } while (cm == PGNTag || cm == Comment);
10110 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10111 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10112 != CMAIL_OLD_RESULT) {
10114 cmailResult[ CMAIL_MAX_GAMES
10115 - gn - 1] = CMAIL_OLD_RESULT;
10121 /* Only a NormalMove can be at the start of a game
10122 * without a position diagram. */
10123 if (lastLoadGameStart == (ChessMove) 0) {
10125 lastLoadGameStart = MoveNumberOne;
10134 if (appData.debugMode)
10135 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10137 if (cm == XBoardGame) {
10138 /* Skip any header junk before position diagram and/or move 1 */
10140 yyboardindex = forwardMostMove;
10141 cm = (ChessMove) yylex();
10143 if (cm == (ChessMove) 0 ||
10144 cm == GNUChessGame || cm == XBoardGame) {
10145 /* Empty game; pretend end-of-file and handle later */
10146 cm = (ChessMove) 0;
10150 if (cm == MoveNumberOne || cm == PositionDiagram ||
10151 cm == PGNTag || cm == Comment)
10154 } else if (cm == GNUChessGame) {
10155 if (gameInfo.event != NULL) {
10156 free(gameInfo.event);
10158 gameInfo.event = StrSave(yy_text);
10161 startedFromSetupPosition = FALSE;
10162 while (cm == PGNTag) {
10163 if (appData.debugMode)
10164 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10165 err = ParsePGNTag(yy_text, &gameInfo);
10166 if (!err) numPGNTags++;
10168 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10169 if(gameInfo.variant != oldVariant) {
10170 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10171 InitPosition(TRUE);
10172 oldVariant = gameInfo.variant;
10173 if (appData.debugMode)
10174 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10178 if (gameInfo.fen != NULL) {
10179 Board initial_position;
10180 startedFromSetupPosition = TRUE;
10181 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10183 DisplayError(_("Bad FEN position in file"), 0);
10186 CopyBoard(boards[0], initial_position);
10187 if (blackPlaysFirst) {
10188 currentMove = forwardMostMove = backwardMostMove = 1;
10189 CopyBoard(boards[1], initial_position);
10190 strcpy(moveList[0], "");
10191 strcpy(parseList[0], "");
10192 timeRemaining[0][1] = whiteTimeRemaining;
10193 timeRemaining[1][1] = blackTimeRemaining;
10194 if (commentList[0] != NULL) {
10195 commentList[1] = commentList[0];
10196 commentList[0] = NULL;
10199 currentMove = forwardMostMove = backwardMostMove = 0;
10201 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10203 initialRulePlies = FENrulePlies;
10204 for( i=0; i< nrCastlingRights; i++ )
10205 initialRights[i] = initial_position[CASTLING][i];
10207 yyboardindex = forwardMostMove;
10208 free(gameInfo.fen);
10209 gameInfo.fen = NULL;
10212 yyboardindex = forwardMostMove;
10213 cm = (ChessMove) yylex();
10215 /* Handle comments interspersed among the tags */
10216 while (cm == Comment) {
10218 if (appData.debugMode)
10219 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10221 AppendComment(currentMove, p, FALSE);
10222 yyboardindex = forwardMostMove;
10223 cm = (ChessMove) yylex();
10227 /* don't rely on existence of Event tag since if game was
10228 * pasted from clipboard the Event tag may not exist
10230 if (numPGNTags > 0){
10232 if (gameInfo.variant == VariantNormal) {
10233 VariantClass v = StringToVariant(gameInfo.event);
10234 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10235 if(v < VariantShogi) gameInfo.variant = v;
10238 if( appData.autoDisplayTags ) {
10239 tags = PGNTags(&gameInfo);
10240 TagsPopUp(tags, CmailMsg());
10245 /* Make something up, but don't display it now */
10250 if (cm == PositionDiagram) {
10253 Board initial_position;
10255 if (appData.debugMode)
10256 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10258 if (!startedFromSetupPosition) {
10260 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10261 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10271 initial_position[i][j++] = CharToPiece(*p);
10274 while (*p == ' ' || *p == '\t' ||
10275 *p == '\n' || *p == '\r') p++;
10277 if (strncmp(p, "black", strlen("black"))==0)
10278 blackPlaysFirst = TRUE;
10280 blackPlaysFirst = FALSE;
10281 startedFromSetupPosition = TRUE;
10283 CopyBoard(boards[0], initial_position);
10284 if (blackPlaysFirst) {
10285 currentMove = forwardMostMove = backwardMostMove = 1;
10286 CopyBoard(boards[1], initial_position);
10287 strcpy(moveList[0], "");
10288 strcpy(parseList[0], "");
10289 timeRemaining[0][1] = whiteTimeRemaining;
10290 timeRemaining[1][1] = blackTimeRemaining;
10291 if (commentList[0] != NULL) {
10292 commentList[1] = commentList[0];
10293 commentList[0] = NULL;
10296 currentMove = forwardMostMove = backwardMostMove = 0;
10299 yyboardindex = forwardMostMove;
10300 cm = (ChessMove) yylex();
10303 if (first.pr == NoProc) {
10304 StartChessProgram(&first);
10306 InitChessProgram(&first, FALSE);
10307 SendToProgram("force\n", &first);
10308 if (startedFromSetupPosition) {
10309 SendBoard(&first, forwardMostMove);
10310 if (appData.debugMode) {
10311 fprintf(debugFP, "Load Game\n");
10313 DisplayBothClocks();
10316 /* [HGM] server: flag to write setup moves in broadcast file as one */
10317 loadFlag = appData.suppressLoadMoves;
10319 while (cm == Comment) {
10321 if (appData.debugMode)
10322 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10324 AppendComment(currentMove, p, FALSE);
10325 yyboardindex = forwardMostMove;
10326 cm = (ChessMove) yylex();
10329 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10330 cm == WhiteWins || cm == BlackWins ||
10331 cm == GameIsDrawn || cm == GameUnfinished) {
10332 DisplayMessage("", _("No moves in game"));
10333 if (cmailMsgLoaded) {
10334 if (appData.debugMode)
10335 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10339 DrawPosition(FALSE, boards[currentMove]);
10340 DisplayBothClocks();
10341 gameMode = EditGame;
10348 // [HGM] PV info: routine tests if comment empty
10349 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10350 DisplayComment(currentMove - 1, commentList[currentMove]);
10352 if (!matchMode && appData.timeDelay != 0)
10353 DrawPosition(FALSE, boards[currentMove]);
10355 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10356 programStats.ok_to_send = 1;
10359 /* if the first token after the PGN tags is a move
10360 * and not move number 1, retrieve it from the parser
10362 if (cm != MoveNumberOne)
10363 LoadGameOneMove(cm);
10365 /* load the remaining moves from the file */
10366 while (LoadGameOneMove((ChessMove)0)) {
10367 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10368 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10371 /* rewind to the start of the game */
10372 currentMove = backwardMostMove;
10374 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10376 if (oldGameMode == AnalyzeFile ||
10377 oldGameMode == AnalyzeMode) {
10378 AnalyzeFileEvent();
10381 if (matchMode || appData.timeDelay == 0) {
10383 gameMode = EditGame;
10385 } else if (appData.timeDelay > 0) {
10386 AutoPlayGameLoop();
10389 if (appData.debugMode)
10390 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10392 loadFlag = 0; /* [HGM] true game starts */
10396 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10398 ReloadPosition(offset)
10401 int positionNumber = lastLoadPositionNumber + offset;
10402 if (lastLoadPositionFP == NULL) {
10403 DisplayError(_("No position has been loaded yet"), 0);
10406 if (positionNumber <= 0) {
10407 DisplayError(_("Can't back up any further"), 0);
10410 return LoadPosition(lastLoadPositionFP, positionNumber,
10411 lastLoadPositionTitle);
10414 /* Load the nth position from the given file */
10416 LoadPositionFromFile(filename, n, title)
10424 if (strcmp(filename, "-") == 0) {
10425 return LoadPosition(stdin, n, "stdin");
10427 f = fopen(filename, "rb");
10429 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10430 DisplayError(buf, errno);
10433 return LoadPosition(f, n, title);
10438 /* Load the nth position from the given open file, and close it */
10440 LoadPosition(f, positionNumber, title)
10442 int positionNumber;
10445 char *p, line[MSG_SIZ];
10446 Board initial_position;
10447 int i, j, fenMode, pn;
10449 if (gameMode == Training )
10450 SetTrainingModeOff();
10452 if (gameMode != BeginningOfGame) {
10453 Reset(FALSE, TRUE);
10455 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10456 fclose(lastLoadPositionFP);
10458 if (positionNumber == 0) positionNumber = 1;
10459 lastLoadPositionFP = f;
10460 lastLoadPositionNumber = positionNumber;
10461 strcpy(lastLoadPositionTitle, title);
10462 if (first.pr == NoProc) {
10463 StartChessProgram(&first);
10464 InitChessProgram(&first, FALSE);
10466 pn = positionNumber;
10467 if (positionNumber < 0) {
10468 /* Negative position number means to seek to that byte offset */
10469 if (fseek(f, -positionNumber, 0) == -1) {
10470 DisplayError(_("Can't seek on position file"), 0);
10475 if (fseek(f, 0, 0) == -1) {
10476 if (f == lastLoadPositionFP ?
10477 positionNumber == lastLoadPositionNumber + 1 :
10478 positionNumber == 1) {
10481 DisplayError(_("Can't seek on position file"), 0);
10486 /* See if this file is FEN or old-style xboard */
10487 if (fgets(line, MSG_SIZ, f) == NULL) {
10488 DisplayError(_("Position not found in file"), 0);
10491 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10492 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10495 if (fenMode || line[0] == '#') pn--;
10497 /* skip positions before number pn */
10498 if (fgets(line, MSG_SIZ, f) == NULL) {
10500 DisplayError(_("Position not found in file"), 0);
10503 if (fenMode || line[0] == '#') pn--;
10508 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10509 DisplayError(_("Bad FEN position in file"), 0);
10513 (void) fgets(line, MSG_SIZ, f);
10514 (void) fgets(line, MSG_SIZ, f);
10516 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10517 (void) fgets(line, MSG_SIZ, f);
10518 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10521 initial_position[i][j++] = CharToPiece(*p);
10525 blackPlaysFirst = FALSE;
10527 (void) fgets(line, MSG_SIZ, f);
10528 if (strncmp(line, "black", strlen("black"))==0)
10529 blackPlaysFirst = TRUE;
10532 startedFromSetupPosition = TRUE;
10534 SendToProgram("force\n", &first);
10535 CopyBoard(boards[0], initial_position);
10536 if (blackPlaysFirst) {
10537 currentMove = forwardMostMove = backwardMostMove = 1;
10538 strcpy(moveList[0], "");
10539 strcpy(parseList[0], "");
10540 CopyBoard(boards[1], initial_position);
10541 DisplayMessage("", _("Black to play"));
10543 currentMove = forwardMostMove = backwardMostMove = 0;
10544 DisplayMessage("", _("White to play"));
10546 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10547 SendBoard(&first, forwardMostMove);
10548 if (appData.debugMode) {
10550 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10551 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10552 fprintf(debugFP, "Load Position\n");
10555 if (positionNumber > 1) {
10556 sprintf(line, "%s %d", title, positionNumber);
10557 DisplayTitle(line);
10559 DisplayTitle(title);
10561 gameMode = EditGame;
10564 timeRemaining[0][1] = whiteTimeRemaining;
10565 timeRemaining[1][1] = blackTimeRemaining;
10566 DrawPosition(FALSE, boards[currentMove]);
10573 CopyPlayerNameIntoFileName(dest, src)
10576 while (*src != NULLCHAR && *src != ',') {
10581 *(*dest)++ = *src++;
10586 char *DefaultFileName(ext)
10589 static char def[MSG_SIZ];
10592 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10594 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10596 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10605 /* Save the current game to the given file */
10607 SaveGameToFile(filename, append)
10614 if (strcmp(filename, "-") == 0) {
10615 return SaveGame(stdout, 0, NULL);
10617 f = fopen(filename, append ? "a" : "w");
10619 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10620 DisplayError(buf, errno);
10623 return SaveGame(f, 0, NULL);
10632 static char buf[MSG_SIZ];
10635 p = strchr(str, ' ');
10636 if (p == NULL) return str;
10637 strncpy(buf, str, p - str);
10638 buf[p - str] = NULLCHAR;
10642 #define PGN_MAX_LINE 75
10644 #define PGN_SIDE_WHITE 0
10645 #define PGN_SIDE_BLACK 1
10648 static int FindFirstMoveOutOfBook( int side )
10652 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10653 int index = backwardMostMove;
10654 int has_book_hit = 0;
10656 if( (index % 2) != side ) {
10660 while( index < forwardMostMove ) {
10661 /* Check to see if engine is in book */
10662 int depth = pvInfoList[index].depth;
10663 int score = pvInfoList[index].score;
10669 else if( score == 0 && depth == 63 ) {
10670 in_book = 1; /* Zappa */
10672 else if( score == 2 && depth == 99 ) {
10673 in_book = 1; /* Abrok */
10676 has_book_hit += in_book;
10692 void GetOutOfBookInfo( char * buf )
10696 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10698 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10699 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10703 if( oob[0] >= 0 || oob[1] >= 0 ) {
10704 for( i=0; i<2; i++ ) {
10708 if( i > 0 && oob[0] >= 0 ) {
10709 strcat( buf, " " );
10712 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10713 sprintf( buf+strlen(buf), "%s%.2f",
10714 pvInfoList[idx].score >= 0 ? "+" : "",
10715 pvInfoList[idx].score / 100.0 );
10721 /* Save game in PGN style and close the file */
10726 int i, offset, linelen, newblock;
10730 int movelen, numlen, blank;
10731 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10733 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10735 tm = time((time_t *) NULL);
10737 PrintPGNTags(f, &gameInfo);
10739 if (backwardMostMove > 0 || startedFromSetupPosition) {
10740 char *fen = PositionToFEN(backwardMostMove, NULL);
10741 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10742 fprintf(f, "\n{--------------\n");
10743 PrintPosition(f, backwardMostMove);
10744 fprintf(f, "--------------}\n");
10748 /* [AS] Out of book annotation */
10749 if( appData.saveOutOfBookInfo ) {
10752 GetOutOfBookInfo( buf );
10754 if( buf[0] != '\0' ) {
10755 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10762 i = backwardMostMove;
10766 while (i < forwardMostMove) {
10767 /* Print comments preceding this move */
10768 if (commentList[i] != NULL) {
10769 if (linelen > 0) fprintf(f, "\n");
10770 fprintf(f, "%s", commentList[i]);
10775 /* Format move number */
10776 if ((i % 2) == 0) {
10777 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10780 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10782 numtext[0] = NULLCHAR;
10785 numlen = strlen(numtext);
10788 /* Print move number */
10789 blank = linelen > 0 && numlen > 0;
10790 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10799 fprintf(f, "%s", numtext);
10803 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10804 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10807 blank = linelen > 0 && movelen > 0;
10808 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10817 fprintf(f, "%s", move_buffer);
10818 linelen += movelen;
10820 /* [AS] Add PV info if present */
10821 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10822 /* [HGM] add time */
10823 char buf[MSG_SIZ]; int seconds;
10825 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10827 if( seconds <= 0) buf[0] = 0; else
10828 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10829 seconds = (seconds + 4)/10; // round to full seconds
10830 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10831 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10834 sprintf( move_buffer, "{%s%.2f/%d%s}",
10835 pvInfoList[i].score >= 0 ? "+" : "",
10836 pvInfoList[i].score / 100.0,
10837 pvInfoList[i].depth,
10840 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10842 /* Print score/depth */
10843 blank = linelen > 0 && movelen > 0;
10844 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10853 fprintf(f, "%s", move_buffer);
10854 linelen += movelen;
10860 /* Start a new line */
10861 if (linelen > 0) fprintf(f, "\n");
10863 /* Print comments after last move */
10864 if (commentList[i] != NULL) {
10865 fprintf(f, "%s\n", commentList[i]);
10869 if (gameInfo.resultDetails != NULL &&
10870 gameInfo.resultDetails[0] != NULLCHAR) {
10871 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10872 PGNResult(gameInfo.result));
10874 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10878 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10882 /* Save game in old style and close the file */
10884 SaveGameOldStyle(f)
10890 tm = time((time_t *) NULL);
10892 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10895 if (backwardMostMove > 0 || startedFromSetupPosition) {
10896 fprintf(f, "\n[--------------\n");
10897 PrintPosition(f, backwardMostMove);
10898 fprintf(f, "--------------]\n");
10903 i = backwardMostMove;
10904 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10906 while (i < forwardMostMove) {
10907 if (commentList[i] != NULL) {
10908 fprintf(f, "[%s]\n", commentList[i]);
10911 if ((i % 2) == 1) {
10912 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10915 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10917 if (commentList[i] != NULL) {
10921 if (i >= forwardMostMove) {
10925 fprintf(f, "%s\n", parseList[i]);
10930 if (commentList[i] != NULL) {
10931 fprintf(f, "[%s]\n", commentList[i]);
10934 /* This isn't really the old style, but it's close enough */
10935 if (gameInfo.resultDetails != NULL &&
10936 gameInfo.resultDetails[0] != NULLCHAR) {
10937 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10938 gameInfo.resultDetails);
10940 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10947 /* Save the current game to open file f and close the file */
10949 SaveGame(f, dummy, dummy2)
10954 if (gameMode == EditPosition) EditPositionDone(TRUE);
10955 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10956 if (appData.oldSaveStyle)
10957 return SaveGameOldStyle(f);
10959 return SaveGamePGN(f);
10962 /* Save the current position to the given file */
10964 SavePositionToFile(filename)
10970 if (strcmp(filename, "-") == 0) {
10971 return SavePosition(stdout, 0, NULL);
10973 f = fopen(filename, "a");
10975 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10976 DisplayError(buf, errno);
10979 SavePosition(f, 0, NULL);
10985 /* Save the current position to the given open file and close the file */
10987 SavePosition(f, dummy, dummy2)
10995 if (gameMode == EditPosition) EditPositionDone(TRUE);
10996 if (appData.oldSaveStyle) {
10997 tm = time((time_t *) NULL);
10999 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11001 fprintf(f, "[--------------\n");
11002 PrintPosition(f, currentMove);
11003 fprintf(f, "--------------]\n");
11005 fen = PositionToFEN(currentMove, NULL);
11006 fprintf(f, "%s\n", fen);
11014 ReloadCmailMsgEvent(unregister)
11018 static char *inFilename = NULL;
11019 static char *outFilename;
11021 struct stat inbuf, outbuf;
11024 /* Any registered moves are unregistered if unregister is set, */
11025 /* i.e. invoked by the signal handler */
11027 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11028 cmailMoveRegistered[i] = FALSE;
11029 if (cmailCommentList[i] != NULL) {
11030 free(cmailCommentList[i]);
11031 cmailCommentList[i] = NULL;
11034 nCmailMovesRegistered = 0;
11037 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11038 cmailResult[i] = CMAIL_NOT_RESULT;
11042 if (inFilename == NULL) {
11043 /* Because the filenames are static they only get malloced once */
11044 /* and they never get freed */
11045 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11046 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11048 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11049 sprintf(outFilename, "%s.out", appData.cmailGameName);
11052 status = stat(outFilename, &outbuf);
11054 cmailMailedMove = FALSE;
11056 status = stat(inFilename, &inbuf);
11057 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11060 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11061 counts the games, notes how each one terminated, etc.
11063 It would be nice to remove this kludge and instead gather all
11064 the information while building the game list. (And to keep it
11065 in the game list nodes instead of having a bunch of fixed-size
11066 parallel arrays.) Note this will require getting each game's
11067 termination from the PGN tags, as the game list builder does
11068 not process the game moves. --mann
11070 cmailMsgLoaded = TRUE;
11071 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11073 /* Load first game in the file or popup game menu */
11074 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11076 #endif /* !WIN32 */
11084 char string[MSG_SIZ];
11086 if ( cmailMailedMove
11087 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11088 return TRUE; /* Allow free viewing */
11091 /* Unregister move to ensure that we don't leave RegisterMove */
11092 /* with the move registered when the conditions for registering no */
11094 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11095 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11096 nCmailMovesRegistered --;
11098 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11100 free(cmailCommentList[lastLoadGameNumber - 1]);
11101 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11105 if (cmailOldMove == -1) {
11106 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11110 if (currentMove > cmailOldMove + 1) {
11111 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11115 if (currentMove < cmailOldMove) {
11116 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11120 if (forwardMostMove > currentMove) {
11121 /* Silently truncate extra moves */
11125 if ( (currentMove == cmailOldMove + 1)
11126 || ( (currentMove == cmailOldMove)
11127 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11128 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11129 if (gameInfo.result != GameUnfinished) {
11130 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11133 if (commentList[currentMove] != NULL) {
11134 cmailCommentList[lastLoadGameNumber - 1]
11135 = StrSave(commentList[currentMove]);
11137 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11139 if (appData.debugMode)
11140 fprintf(debugFP, "Saving %s for game %d\n",
11141 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11144 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11146 f = fopen(string, "w");
11147 if (appData.oldSaveStyle) {
11148 SaveGameOldStyle(f); /* also closes the file */
11150 sprintf(string, "%s.pos.out", appData.cmailGameName);
11151 f = fopen(string, "w");
11152 SavePosition(f, 0, NULL); /* also closes the file */
11154 fprintf(f, "{--------------\n");
11155 PrintPosition(f, currentMove);
11156 fprintf(f, "--------------}\n\n");
11158 SaveGame(f, 0, NULL); /* also closes the file*/
11161 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11162 nCmailMovesRegistered ++;
11163 } else if (nCmailGames == 1) {
11164 DisplayError(_("You have not made a move yet"), 0);
11175 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11176 FILE *commandOutput;
11177 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11178 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11184 if (! cmailMsgLoaded) {
11185 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11189 if (nCmailGames == nCmailResults) {
11190 DisplayError(_("No unfinished games"), 0);
11194 #if CMAIL_PROHIBIT_REMAIL
11195 if (cmailMailedMove) {
11196 sprintf(msg, _("You have already mailed a move.\nWait until a move arrives from your opponent.\nTo resend the same move, type\n\"cmail -remail -game %s\"\non the command line."), appData.cmailGameName);
11197 DisplayError(msg, 0);
11202 if (! (cmailMailedMove || RegisterMove())) return;
11204 if ( cmailMailedMove
11205 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11206 sprintf(string, partCommandString,
11207 appData.debugMode ? " -v" : "", appData.cmailGameName);
11208 commandOutput = popen(string, "r");
11210 if (commandOutput == NULL) {
11211 DisplayError(_("Failed to invoke cmail"), 0);
11213 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11214 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11216 if (nBuffers > 1) {
11217 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11218 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11219 nBytes = MSG_SIZ - 1;
11221 (void) memcpy(msg, buffer, nBytes);
11223 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11225 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11226 cmailMailedMove = TRUE; /* Prevent >1 moves */
11229 for (i = 0; i < nCmailGames; i ++) {
11230 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11235 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11237 sprintf(buffer, "%s/%s.%s.archive",
11239 appData.cmailGameName,
11241 LoadGameFromFile(buffer, 1, buffer, FALSE);
11242 cmailMsgLoaded = FALSE;
11246 DisplayInformation(msg);
11247 pclose(commandOutput);
11250 if ((*cmailMsg) != '\0') {
11251 DisplayInformation(cmailMsg);
11256 #endif /* !WIN32 */
11265 int prependComma = 0;
11267 char string[MSG_SIZ]; /* Space for game-list */
11270 if (!cmailMsgLoaded) return "";
11272 if (cmailMailedMove) {
11273 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11275 /* Create a list of games left */
11276 sprintf(string, "[");
11277 for (i = 0; i < nCmailGames; i ++) {
11278 if (! ( cmailMoveRegistered[i]
11279 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11280 if (prependComma) {
11281 sprintf(number, ",%d", i + 1);
11283 sprintf(number, "%d", i + 1);
11287 strcat(string, number);
11290 strcat(string, "]");
11292 if (nCmailMovesRegistered + nCmailResults == 0) {
11293 switch (nCmailGames) {
11296 _("Still need to make move for game\n"));
11301 _("Still need to make moves for both games\n"));
11306 _("Still need to make moves for all %d games\n"),
11311 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11314 _("Still need to make a move for game %s\n"),
11319 if (nCmailResults == nCmailGames) {
11320 sprintf(cmailMsg, _("No unfinished games\n"));
11322 sprintf(cmailMsg, _("Ready to send mail\n"));
11328 _("Still need to make moves for games %s\n"),
11340 if (gameMode == Training)
11341 SetTrainingModeOff();
11344 cmailMsgLoaded = FALSE;
11345 if (appData.icsActive) {
11346 SendToICS(ics_prefix);
11347 SendToICS("refresh\n");
11357 /* Give up on clean exit */
11361 /* Keep trying for clean exit */
11365 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11367 if (telnetISR != NULL) {
11368 RemoveInputSource(telnetISR);
11370 if (icsPR != NoProc) {
11371 DestroyChildProcess(icsPR, TRUE);
11374 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11375 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11377 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11378 /* make sure this other one finishes before killing it! */
11379 if(endingGame) { int count = 0;
11380 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11381 while(endingGame && count++ < 10) DoSleep(1);
11382 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11385 /* Kill off chess programs */
11386 if (first.pr != NoProc) {
11389 DoSleep( appData.delayBeforeQuit );
11390 SendToProgram("quit\n", &first);
11391 DoSleep( appData.delayAfterQuit );
11392 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11394 if (second.pr != NoProc) {
11395 DoSleep( appData.delayBeforeQuit );
11396 SendToProgram("quit\n", &second);
11397 DoSleep( appData.delayAfterQuit );
11398 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11400 if (first.isr != NULL) {
11401 RemoveInputSource(first.isr);
11403 if (second.isr != NULL) {
11404 RemoveInputSource(second.isr);
11407 ShutDownFrontEnd();
11414 if (appData.debugMode)
11415 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11419 if (gameMode == MachinePlaysWhite ||
11420 gameMode == MachinePlaysBlack) {
11423 DisplayBothClocks();
11425 if (gameMode == PlayFromGameFile) {
11426 if (appData.timeDelay >= 0)
11427 AutoPlayGameLoop();
11428 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11429 Reset(FALSE, TRUE);
11430 SendToICS(ics_prefix);
11431 SendToICS("refresh\n");
11432 } else if (currentMove < forwardMostMove) {
11433 ForwardInner(forwardMostMove);
11435 pauseExamInvalid = FALSE;
11437 switch (gameMode) {
11441 pauseExamForwardMostMove = forwardMostMove;
11442 pauseExamInvalid = FALSE;
11445 case IcsPlayingWhite:
11446 case IcsPlayingBlack:
11450 case PlayFromGameFile:
11451 (void) StopLoadGameTimer();
11455 case BeginningOfGame:
11456 if (appData.icsActive) return;
11457 /* else fall through */
11458 case MachinePlaysWhite:
11459 case MachinePlaysBlack:
11460 case TwoMachinesPlay:
11461 if (forwardMostMove == 0)
11462 return; /* don't pause if no one has moved */
11463 if ((gameMode == MachinePlaysWhite &&
11464 !WhiteOnMove(forwardMostMove)) ||
11465 (gameMode == MachinePlaysBlack &&
11466 WhiteOnMove(forwardMostMove))) {
11479 char title[MSG_SIZ];
11481 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11482 strcpy(title, _("Edit comment"));
11484 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11485 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11486 parseList[currentMove - 1]);
11489 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11496 char *tags = PGNTags(&gameInfo);
11497 EditTagsPopUp(tags);
11504 if (appData.noChessProgram || gameMode == AnalyzeMode)
11507 if (gameMode != AnalyzeFile) {
11508 if (!appData.icsEngineAnalyze) {
11510 if (gameMode != EditGame) return;
11512 ResurrectChessProgram();
11513 SendToProgram("analyze\n", &first);
11514 first.analyzing = TRUE;
11515 /*first.maybeThinking = TRUE;*/
11516 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11517 EngineOutputPopUp();
11519 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11524 StartAnalysisClock();
11525 GetTimeMark(&lastNodeCountTime);
11532 if (appData.noChessProgram || gameMode == AnalyzeFile)
11535 if (gameMode != AnalyzeMode) {
11537 if (gameMode != EditGame) return;
11538 ResurrectChessProgram();
11539 SendToProgram("analyze\n", &first);
11540 first.analyzing = TRUE;
11541 /*first.maybeThinking = TRUE;*/
11542 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11543 EngineOutputPopUp();
11545 gameMode = AnalyzeFile;
11550 StartAnalysisClock();
11551 GetTimeMark(&lastNodeCountTime);
11556 MachineWhiteEvent()
11559 char *bookHit = NULL;
11561 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11565 if (gameMode == PlayFromGameFile ||
11566 gameMode == TwoMachinesPlay ||
11567 gameMode == Training ||
11568 gameMode == AnalyzeMode ||
11569 gameMode == EndOfGame)
11572 if (gameMode == EditPosition)
11573 EditPositionDone(TRUE);
11575 if (!WhiteOnMove(currentMove)) {
11576 DisplayError(_("It is not White's turn"), 0);
11580 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11583 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11584 gameMode == AnalyzeFile)
11587 ResurrectChessProgram(); /* in case it isn't running */
11588 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11589 gameMode = MachinePlaysWhite;
11592 gameMode = MachinePlaysWhite;
11596 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11598 if (first.sendName) {
11599 sprintf(buf, "name %s\n", gameInfo.black);
11600 SendToProgram(buf, &first);
11602 if (first.sendTime) {
11603 if (first.useColors) {
11604 SendToProgram("black\n", &first); /*gnu kludge*/
11606 SendTimeRemaining(&first, TRUE);
11608 if (first.useColors) {
11609 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11611 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11612 SetMachineThinkingEnables();
11613 first.maybeThinking = TRUE;
11617 if (appData.autoFlipView && !flipView) {
11618 flipView = !flipView;
11619 DrawPosition(FALSE, NULL);
11620 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11623 if(bookHit) { // [HGM] book: simulate book reply
11624 static char bookMove[MSG_SIZ]; // a bit generous?
11626 programStats.nodes = programStats.depth = programStats.time =
11627 programStats.score = programStats.got_only_move = 0;
11628 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11630 strcpy(bookMove, "move ");
11631 strcat(bookMove, bookHit);
11632 HandleMachineMove(bookMove, &first);
11637 MachineBlackEvent()
11640 char *bookHit = NULL;
11642 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11646 if (gameMode == PlayFromGameFile ||
11647 gameMode == TwoMachinesPlay ||
11648 gameMode == Training ||
11649 gameMode == AnalyzeMode ||
11650 gameMode == EndOfGame)
11653 if (gameMode == EditPosition)
11654 EditPositionDone(TRUE);
11656 if (WhiteOnMove(currentMove)) {
11657 DisplayError(_("It is not Black's turn"), 0);
11661 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11664 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11665 gameMode == AnalyzeFile)
11668 ResurrectChessProgram(); /* in case it isn't running */
11669 gameMode = MachinePlaysBlack;
11673 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11675 if (first.sendName) {
11676 sprintf(buf, "name %s\n", gameInfo.white);
11677 SendToProgram(buf, &first);
11679 if (first.sendTime) {
11680 if (first.useColors) {
11681 SendToProgram("white\n", &first); /*gnu kludge*/
11683 SendTimeRemaining(&first, FALSE);
11685 if (first.useColors) {
11686 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11688 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11689 SetMachineThinkingEnables();
11690 first.maybeThinking = TRUE;
11693 if (appData.autoFlipView && flipView) {
11694 flipView = !flipView;
11695 DrawPosition(FALSE, NULL);
11696 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11698 if(bookHit) { // [HGM] book: simulate book reply
11699 static char bookMove[MSG_SIZ]; // a bit generous?
11701 programStats.nodes = programStats.depth = programStats.time =
11702 programStats.score = programStats.got_only_move = 0;
11703 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11705 strcpy(bookMove, "move ");
11706 strcat(bookMove, bookHit);
11707 HandleMachineMove(bookMove, &first);
11713 DisplayTwoMachinesTitle()
11716 if (appData.matchGames > 0) {
11717 if (first.twoMachinesColor[0] == 'w') {
11718 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11719 gameInfo.white, gameInfo.black,
11720 first.matchWins, second.matchWins,
11721 matchGame - 1 - (first.matchWins + second.matchWins));
11723 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11724 gameInfo.white, gameInfo.black,
11725 second.matchWins, first.matchWins,
11726 matchGame - 1 - (first.matchWins + second.matchWins));
11729 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11735 TwoMachinesEvent P((void))
11739 ChessProgramState *onmove;
11740 char *bookHit = NULL;
11742 if (appData.noChessProgram) return;
11744 switch (gameMode) {
11745 case TwoMachinesPlay:
11747 case MachinePlaysWhite:
11748 case MachinePlaysBlack:
11749 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11750 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11754 case BeginningOfGame:
11755 case PlayFromGameFile:
11758 if (gameMode != EditGame) return;
11761 EditPositionDone(TRUE);
11772 // forwardMostMove = currentMove;
11773 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11774 ResurrectChessProgram(); /* in case first program isn't running */
11776 if (second.pr == NULL) {
11777 StartChessProgram(&second);
11778 if (second.protocolVersion == 1) {
11779 TwoMachinesEventIfReady();
11781 /* kludge: allow timeout for initial "feature" command */
11783 DisplayMessage("", _("Starting second chess program"));
11784 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11788 DisplayMessage("", "");
11789 InitChessProgram(&second, FALSE);
11790 SendToProgram("force\n", &second);
11791 if (startedFromSetupPosition) {
11792 SendBoard(&second, backwardMostMove);
11793 if (appData.debugMode) {
11794 fprintf(debugFP, "Two Machines\n");
11797 for (i = backwardMostMove; i < forwardMostMove; i++) {
11798 SendMoveToProgram(i, &second);
11801 gameMode = TwoMachinesPlay;
11805 DisplayTwoMachinesTitle();
11807 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11813 SendToProgram(first.computerString, &first);
11814 if (first.sendName) {
11815 sprintf(buf, "name %s\n", second.tidy);
11816 SendToProgram(buf, &first);
11818 SendToProgram(second.computerString, &second);
11819 if (second.sendName) {
11820 sprintf(buf, "name %s\n", first.tidy);
11821 SendToProgram(buf, &second);
11825 if (!first.sendTime || !second.sendTime) {
11826 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11827 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11829 if (onmove->sendTime) {
11830 if (onmove->useColors) {
11831 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11833 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11835 if (onmove->useColors) {
11836 SendToProgram(onmove->twoMachinesColor, onmove);
11838 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11839 // SendToProgram("go\n", onmove);
11840 onmove->maybeThinking = TRUE;
11841 SetMachineThinkingEnables();
11845 if(bookHit) { // [HGM] book: simulate book reply
11846 static char bookMove[MSG_SIZ]; // a bit generous?
11848 programStats.nodes = programStats.depth = programStats.time =
11849 programStats.score = programStats.got_only_move = 0;
11850 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11852 strcpy(bookMove, "move ");
11853 strcat(bookMove, bookHit);
11854 savedMessage = bookMove; // args for deferred call
11855 savedState = onmove;
11856 ScheduleDelayedEvent(DeferredBookMove, 1);
11863 if (gameMode == Training) {
11864 SetTrainingModeOff();
11865 gameMode = PlayFromGameFile;
11866 DisplayMessage("", _("Training mode off"));
11868 gameMode = Training;
11869 animateTraining = appData.animate;
11871 /* make sure we are not already at the end of the game */
11872 if (currentMove < forwardMostMove) {
11873 SetTrainingModeOn();
11874 DisplayMessage("", _("Training mode on"));
11876 gameMode = PlayFromGameFile;
11877 DisplayError(_("Already at end of game"), 0);
11886 if (!appData.icsActive) return;
11887 switch (gameMode) {
11888 case IcsPlayingWhite:
11889 case IcsPlayingBlack:
11892 case BeginningOfGame:
11900 EditPositionDone(TRUE);
11913 gameMode = IcsIdle;
11924 switch (gameMode) {
11926 SetTrainingModeOff();
11928 case MachinePlaysWhite:
11929 case MachinePlaysBlack:
11930 case BeginningOfGame:
11931 SendToProgram("force\n", &first);
11932 SetUserThinkingEnables();
11934 case PlayFromGameFile:
11935 (void) StopLoadGameTimer();
11936 if (gameFileFP != NULL) {
11941 EditPositionDone(TRUE);
11946 SendToProgram("force\n", &first);
11948 case TwoMachinesPlay:
11949 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11950 ResurrectChessProgram();
11951 SetUserThinkingEnables();
11954 ResurrectChessProgram();
11956 case IcsPlayingBlack:
11957 case IcsPlayingWhite:
11958 DisplayError(_("Warning: You are still playing a game"), 0);
11961 DisplayError(_("Warning: You are still observing a game"), 0);
11964 DisplayError(_("Warning: You are still examining a game"), 0);
11975 first.offeredDraw = second.offeredDraw = 0;
11977 if (gameMode == PlayFromGameFile) {
11978 whiteTimeRemaining = timeRemaining[0][currentMove];
11979 blackTimeRemaining = timeRemaining[1][currentMove];
11983 if (gameMode == MachinePlaysWhite ||
11984 gameMode == MachinePlaysBlack ||
11985 gameMode == TwoMachinesPlay ||
11986 gameMode == EndOfGame) {
11987 i = forwardMostMove;
11988 while (i > currentMove) {
11989 SendToProgram("undo\n", &first);
11992 whiteTimeRemaining = timeRemaining[0][currentMove];
11993 blackTimeRemaining = timeRemaining[1][currentMove];
11994 DisplayBothClocks();
11995 if (whiteFlag || blackFlag) {
11996 whiteFlag = blackFlag = 0;
12001 gameMode = EditGame;
12008 EditPositionEvent()
12010 if (gameMode == EditPosition) {
12016 if (gameMode != EditGame) return;
12018 gameMode = EditPosition;
12021 if (currentMove > 0)
12022 CopyBoard(boards[0], boards[currentMove]);
12024 blackPlaysFirst = !WhiteOnMove(currentMove);
12026 currentMove = forwardMostMove = backwardMostMove = 0;
12027 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12034 /* [DM] icsEngineAnalyze - possible call from other functions */
12035 if (appData.icsEngineAnalyze) {
12036 appData.icsEngineAnalyze = FALSE;
12038 DisplayMessage("",_("Close ICS engine analyze..."));
12040 if (first.analysisSupport && first.analyzing) {
12041 SendToProgram("exit\n", &first);
12042 first.analyzing = FALSE;
12044 thinkOutput[0] = NULLCHAR;
12048 EditPositionDone(Boolean fakeRights)
12050 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12052 startedFromSetupPosition = TRUE;
12053 InitChessProgram(&first, FALSE);
12054 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12055 boards[0][EP_STATUS] = EP_NONE;
12056 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12057 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12058 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12059 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12060 } else boards[0][CASTLING][2] = NoRights;
12061 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12062 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12063 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12064 } else boards[0][CASTLING][5] = NoRights;
12066 SendToProgram("force\n", &first);
12067 if (blackPlaysFirst) {
12068 strcpy(moveList[0], "");
12069 strcpy(parseList[0], "");
12070 currentMove = forwardMostMove = backwardMostMove = 1;
12071 CopyBoard(boards[1], boards[0]);
12073 currentMove = forwardMostMove = backwardMostMove = 0;
12075 SendBoard(&first, forwardMostMove);
12076 if (appData.debugMode) {
12077 fprintf(debugFP, "EditPosDone\n");
12080 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12081 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12082 gameMode = EditGame;
12084 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12085 ClearHighlights(); /* [AS] */
12088 /* Pause for `ms' milliseconds */
12089 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12099 } while (SubtractTimeMarks(&m2, &m1) < ms);
12102 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12104 SendMultiLineToICS(buf)
12107 char temp[MSG_SIZ+1], *p;
12114 strncpy(temp, buf, len);
12119 if (*p == '\n' || *p == '\r')
12124 strcat(temp, "\n");
12126 SendToPlayer(temp, strlen(temp));
12130 SetWhiteToPlayEvent()
12132 if (gameMode == EditPosition) {
12133 blackPlaysFirst = FALSE;
12134 DisplayBothClocks(); /* works because currentMove is 0 */
12135 } else if (gameMode == IcsExamining) {
12136 SendToICS(ics_prefix);
12137 SendToICS("tomove white\n");
12142 SetBlackToPlayEvent()
12144 if (gameMode == EditPosition) {
12145 blackPlaysFirst = TRUE;
12146 currentMove = 1; /* kludge */
12147 DisplayBothClocks();
12149 } else if (gameMode == IcsExamining) {
12150 SendToICS(ics_prefix);
12151 SendToICS("tomove black\n");
12156 EditPositionMenuEvent(selection, x, y)
12157 ChessSquare selection;
12161 ChessSquare piece = boards[0][y][x];
12163 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12165 switch (selection) {
12167 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12168 SendToICS(ics_prefix);
12169 SendToICS("bsetup clear\n");
12170 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12171 SendToICS(ics_prefix);
12172 SendToICS("clearboard\n");
12174 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12175 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12176 for (y = 0; y < BOARD_HEIGHT; y++) {
12177 if (gameMode == IcsExamining) {
12178 if (boards[currentMove][y][x] != EmptySquare) {
12179 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12184 boards[0][y][x] = p;
12189 if (gameMode == EditPosition) {
12190 DrawPosition(FALSE, boards[0]);
12195 SetWhiteToPlayEvent();
12199 SetBlackToPlayEvent();
12203 if (gameMode == IcsExamining) {
12204 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12205 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12208 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12209 if(x == BOARD_LEFT-2) {
12210 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12211 boards[0][y][1] = 0;
12213 if(x == BOARD_RGHT+1) {
12214 if(y >= gameInfo.holdingsSize) break;
12215 boards[0][y][BOARD_WIDTH-2] = 0;
12218 boards[0][y][x] = EmptySquare;
12219 DrawPosition(FALSE, boards[0]);
12224 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12225 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12226 selection = (ChessSquare) (PROMOTED piece);
12227 } else if(piece == EmptySquare) selection = WhiteSilver;
12228 else selection = (ChessSquare)((int)piece - 1);
12232 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12233 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12234 selection = (ChessSquare) (DEMOTED piece);
12235 } else if(piece == EmptySquare) selection = BlackSilver;
12236 else selection = (ChessSquare)((int)piece + 1);
12241 if(gameInfo.variant == VariantShatranj ||
12242 gameInfo.variant == VariantXiangqi ||
12243 gameInfo.variant == VariantCourier ||
12244 gameInfo.variant == VariantMakruk )
12245 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12250 if(gameInfo.variant == VariantXiangqi)
12251 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12252 if(gameInfo.variant == VariantKnightmate)
12253 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12256 if (gameMode == IcsExamining) {
12257 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12258 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12259 PieceToChar(selection), AAA + x, ONE + y);
12262 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12264 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12265 n = PieceToNumber(selection - BlackPawn);
12266 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12267 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12268 boards[0][BOARD_HEIGHT-1-n][1]++;
12270 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12271 n = PieceToNumber(selection);
12272 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12273 boards[0][n][BOARD_WIDTH-1] = selection;
12274 boards[0][n][BOARD_WIDTH-2]++;
12277 boards[0][y][x] = selection;
12278 DrawPosition(TRUE, boards[0]);
12286 DropMenuEvent(selection, x, y)
12287 ChessSquare selection;
12290 ChessMove moveType;
12292 switch (gameMode) {
12293 case IcsPlayingWhite:
12294 case MachinePlaysBlack:
12295 if (!WhiteOnMove(currentMove)) {
12296 DisplayMoveError(_("It is Black's turn"));
12299 moveType = WhiteDrop;
12301 case IcsPlayingBlack:
12302 case MachinePlaysWhite:
12303 if (WhiteOnMove(currentMove)) {
12304 DisplayMoveError(_("It is White's turn"));
12307 moveType = BlackDrop;
12310 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12316 if (moveType == BlackDrop && selection < BlackPawn) {
12317 selection = (ChessSquare) ((int) selection
12318 + (int) BlackPawn - (int) WhitePawn);
12320 if (boards[currentMove][y][x] != EmptySquare) {
12321 DisplayMoveError(_("That square is occupied"));
12325 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12331 /* Accept a pending offer of any kind from opponent */
12333 if (appData.icsActive) {
12334 SendToICS(ics_prefix);
12335 SendToICS("accept\n");
12336 } else if (cmailMsgLoaded) {
12337 if (currentMove == cmailOldMove &&
12338 commentList[cmailOldMove] != NULL &&
12339 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12340 "Black offers a draw" : "White offers a draw")) {
12342 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12343 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12345 DisplayError(_("There is no pending offer on this move"), 0);
12346 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12349 /* Not used for offers from chess program */
12356 /* Decline a pending offer of any kind from opponent */
12358 if (appData.icsActive) {
12359 SendToICS(ics_prefix);
12360 SendToICS("decline\n");
12361 } else if (cmailMsgLoaded) {
12362 if (currentMove == cmailOldMove &&
12363 commentList[cmailOldMove] != NULL &&
12364 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12365 "Black offers a draw" : "White offers a draw")) {
12367 AppendComment(cmailOldMove, "Draw declined", TRUE);
12368 DisplayComment(cmailOldMove - 1, "Draw declined");
12371 DisplayError(_("There is no pending offer on this move"), 0);
12374 /* Not used for offers from chess program */
12381 /* Issue ICS rematch command */
12382 if (appData.icsActive) {
12383 SendToICS(ics_prefix);
12384 SendToICS("rematch\n");
12391 /* Call your opponent's flag (claim a win on time) */
12392 if (appData.icsActive) {
12393 SendToICS(ics_prefix);
12394 SendToICS("flag\n");
12396 switch (gameMode) {
12399 case MachinePlaysWhite:
12402 GameEnds(GameIsDrawn, "Both players ran out of time",
12405 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12407 DisplayError(_("Your opponent is not out of time"), 0);
12410 case MachinePlaysBlack:
12413 GameEnds(GameIsDrawn, "Both players ran out of time",
12416 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12418 DisplayError(_("Your opponent is not out of time"), 0);
12428 /* Offer draw or accept pending draw offer from opponent */
12430 if (appData.icsActive) {
12431 /* Note: tournament rules require draw offers to be
12432 made after you make your move but before you punch
12433 your clock. Currently ICS doesn't let you do that;
12434 instead, you immediately punch your clock after making
12435 a move, but you can offer a draw at any time. */
12437 SendToICS(ics_prefix);
12438 SendToICS("draw\n");
12439 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12440 } else if (cmailMsgLoaded) {
12441 if (currentMove == cmailOldMove &&
12442 commentList[cmailOldMove] != NULL &&
12443 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12444 "Black offers a draw" : "White offers a draw")) {
12445 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12446 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12447 } else if (currentMove == cmailOldMove + 1) {
12448 char *offer = WhiteOnMove(cmailOldMove) ?
12449 "White offers a draw" : "Black offers a draw";
12450 AppendComment(currentMove, offer, TRUE);
12451 DisplayComment(currentMove - 1, offer);
12452 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12454 DisplayError(_("You must make your move before offering a draw"), 0);
12455 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12457 } else if (first.offeredDraw) {
12458 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12460 if (first.sendDrawOffers) {
12461 SendToProgram("draw\n", &first);
12462 userOfferedDraw = TRUE;
12470 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12472 if (appData.icsActive) {
12473 SendToICS(ics_prefix);
12474 SendToICS("adjourn\n");
12476 /* Currently GNU Chess doesn't offer or accept Adjourns */
12484 /* Offer Abort or accept pending Abort offer from opponent */
12486 if (appData.icsActive) {
12487 SendToICS(ics_prefix);
12488 SendToICS("abort\n");
12490 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12497 /* Resign. You can do this even if it's not your turn. */
12499 if (appData.icsActive) {
12500 SendToICS(ics_prefix);
12501 SendToICS("resign\n");
12503 switch (gameMode) {
12504 case MachinePlaysWhite:
12505 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12507 case MachinePlaysBlack:
12508 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12511 if (cmailMsgLoaded) {
12513 if (WhiteOnMove(cmailOldMove)) {
12514 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12516 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12518 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12529 StopObservingEvent()
12531 /* Stop observing current games */
12532 SendToICS(ics_prefix);
12533 SendToICS("unobserve\n");
12537 StopExaminingEvent()
12539 /* Stop observing current game */
12540 SendToICS(ics_prefix);
12541 SendToICS("unexamine\n");
12545 ForwardInner(target)
12550 if (appData.debugMode)
12551 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12552 target, currentMove, forwardMostMove);
12554 if (gameMode == EditPosition)
12557 if (gameMode == PlayFromGameFile && !pausing)
12560 if (gameMode == IcsExamining && pausing)
12561 limit = pauseExamForwardMostMove;
12563 limit = forwardMostMove;
12565 if (target > limit) target = limit;
12567 if (target > 0 && moveList[target - 1][0]) {
12568 int fromX, fromY, toX, toY;
12569 toX = moveList[target - 1][2] - AAA;
12570 toY = moveList[target - 1][3] - ONE;
12571 if (moveList[target - 1][1] == '@') {
12572 if (appData.highlightLastMove) {
12573 SetHighlights(-1, -1, toX, toY);
12576 fromX = moveList[target - 1][0] - AAA;
12577 fromY = moveList[target - 1][1] - ONE;
12578 if (target == currentMove + 1) {
12579 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12581 if (appData.highlightLastMove) {
12582 SetHighlights(fromX, fromY, toX, toY);
12586 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12587 gameMode == Training || gameMode == PlayFromGameFile ||
12588 gameMode == AnalyzeFile) {
12589 while (currentMove < target) {
12590 SendMoveToProgram(currentMove++, &first);
12593 currentMove = target;
12596 if (gameMode == EditGame || gameMode == EndOfGame) {
12597 whiteTimeRemaining = timeRemaining[0][currentMove];
12598 blackTimeRemaining = timeRemaining[1][currentMove];
12600 DisplayBothClocks();
12601 DisplayMove(currentMove - 1);
12602 DrawPosition(FALSE, boards[currentMove]);
12603 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12604 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12605 DisplayComment(currentMove - 1, commentList[currentMove]);
12613 if (gameMode == IcsExamining && !pausing) {
12614 SendToICS(ics_prefix);
12615 SendToICS("forward\n");
12617 ForwardInner(currentMove + 1);
12624 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12625 /* to optimze, we temporarily turn off analysis mode while we feed
12626 * the remaining moves to the engine. Otherwise we get analysis output
12629 if (first.analysisSupport) {
12630 SendToProgram("exit\nforce\n", &first);
12631 first.analyzing = FALSE;
12635 if (gameMode == IcsExamining && !pausing) {
12636 SendToICS(ics_prefix);
12637 SendToICS("forward 999999\n");
12639 ForwardInner(forwardMostMove);
12642 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12643 /* we have fed all the moves, so reactivate analysis mode */
12644 SendToProgram("analyze\n", &first);
12645 first.analyzing = TRUE;
12646 /*first.maybeThinking = TRUE;*/
12647 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12652 BackwardInner(target)
12655 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12657 if (appData.debugMode)
12658 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12659 target, currentMove, forwardMostMove);
12661 if (gameMode == EditPosition) return;
12662 if (currentMove <= backwardMostMove) {
12664 DrawPosition(full_redraw, boards[currentMove]);
12667 if (gameMode == PlayFromGameFile && !pausing)
12670 if (moveList[target][0]) {
12671 int fromX, fromY, toX, toY;
12672 toX = moveList[target][2] - AAA;
12673 toY = moveList[target][3] - ONE;
12674 if (moveList[target][1] == '@') {
12675 if (appData.highlightLastMove) {
12676 SetHighlights(-1, -1, toX, toY);
12679 fromX = moveList[target][0] - AAA;
12680 fromY = moveList[target][1] - ONE;
12681 if (target == currentMove - 1) {
12682 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12684 if (appData.highlightLastMove) {
12685 SetHighlights(fromX, fromY, toX, toY);
12689 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12690 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12691 while (currentMove > target) {
12692 SendToProgram("undo\n", &first);
12696 currentMove = target;
12699 if (gameMode == EditGame || gameMode == EndOfGame) {
12700 whiteTimeRemaining = timeRemaining[0][currentMove];
12701 blackTimeRemaining = timeRemaining[1][currentMove];
12703 DisplayBothClocks();
12704 DisplayMove(currentMove - 1);
12705 DrawPosition(full_redraw, boards[currentMove]);
12706 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12707 // [HGM] PV info: routine tests if comment empty
12708 DisplayComment(currentMove - 1, commentList[currentMove]);
12714 if (gameMode == IcsExamining && !pausing) {
12715 SendToICS(ics_prefix);
12716 SendToICS("backward\n");
12718 BackwardInner(currentMove - 1);
12725 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12726 /* to optimize, we temporarily turn off analysis mode while we undo
12727 * all the moves. Otherwise we get analysis output after each undo.
12729 if (first.analysisSupport) {
12730 SendToProgram("exit\nforce\n", &first);
12731 first.analyzing = FALSE;
12735 if (gameMode == IcsExamining && !pausing) {
12736 SendToICS(ics_prefix);
12737 SendToICS("backward 999999\n");
12739 BackwardInner(backwardMostMove);
12742 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12743 /* we have fed all the moves, so reactivate analysis mode */
12744 SendToProgram("analyze\n", &first);
12745 first.analyzing = TRUE;
12746 /*first.maybeThinking = TRUE;*/
12747 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12754 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12755 if (to >= forwardMostMove) to = forwardMostMove;
12756 if (to <= backwardMostMove) to = backwardMostMove;
12757 if (to < currentMove) {
12765 RevertEvent(Boolean annotate)
12767 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12770 if (gameMode != IcsExamining) {
12771 DisplayError(_("You are not examining a game"), 0);
12775 DisplayError(_("You can't revert while pausing"), 0);
12778 SendToICS(ics_prefix);
12779 SendToICS("revert\n");
12785 switch (gameMode) {
12786 case MachinePlaysWhite:
12787 case MachinePlaysBlack:
12788 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12789 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12792 if (forwardMostMove < 2) return;
12793 currentMove = forwardMostMove = forwardMostMove - 2;
12794 whiteTimeRemaining = timeRemaining[0][currentMove];
12795 blackTimeRemaining = timeRemaining[1][currentMove];
12796 DisplayBothClocks();
12797 DisplayMove(currentMove - 1);
12798 ClearHighlights();/*!! could figure this out*/
12799 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12800 SendToProgram("remove\n", &first);
12801 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12804 case BeginningOfGame:
12808 case IcsPlayingWhite:
12809 case IcsPlayingBlack:
12810 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12811 SendToICS(ics_prefix);
12812 SendToICS("takeback 2\n");
12814 SendToICS(ics_prefix);
12815 SendToICS("takeback 1\n");
12824 ChessProgramState *cps;
12826 switch (gameMode) {
12827 case MachinePlaysWhite:
12828 if (!WhiteOnMove(forwardMostMove)) {
12829 DisplayError(_("It is your turn"), 0);
12834 case MachinePlaysBlack:
12835 if (WhiteOnMove(forwardMostMove)) {
12836 DisplayError(_("It is your turn"), 0);
12841 case TwoMachinesPlay:
12842 if (WhiteOnMove(forwardMostMove) ==
12843 (first.twoMachinesColor[0] == 'w')) {
12849 case BeginningOfGame:
12853 SendToProgram("?\n", cps);
12857 TruncateGameEvent()
12860 if (gameMode != EditGame) return;
12867 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12868 if (forwardMostMove > currentMove) {
12869 if (gameInfo.resultDetails != NULL) {
12870 free(gameInfo.resultDetails);
12871 gameInfo.resultDetails = NULL;
12872 gameInfo.result = GameUnfinished;
12874 forwardMostMove = currentMove;
12875 HistorySet(parseList, backwardMostMove, forwardMostMove,
12883 if (appData.noChessProgram) return;
12884 switch (gameMode) {
12885 case MachinePlaysWhite:
12886 if (WhiteOnMove(forwardMostMove)) {
12887 DisplayError(_("Wait until your turn"), 0);
12891 case BeginningOfGame:
12892 case MachinePlaysBlack:
12893 if (!WhiteOnMove(forwardMostMove)) {
12894 DisplayError(_("Wait until your turn"), 0);
12899 DisplayError(_("No hint available"), 0);
12902 SendToProgram("hint\n", &first);
12903 hintRequested = TRUE;
12909 if (appData.noChessProgram) return;
12910 switch (gameMode) {
12911 case MachinePlaysWhite:
12912 if (WhiteOnMove(forwardMostMove)) {
12913 DisplayError(_("Wait until your turn"), 0);
12917 case BeginningOfGame:
12918 case MachinePlaysBlack:
12919 if (!WhiteOnMove(forwardMostMove)) {
12920 DisplayError(_("Wait until your turn"), 0);
12925 EditPositionDone(TRUE);
12927 case TwoMachinesPlay:
12932 SendToProgram("bk\n", &first);
12933 bookOutput[0] = NULLCHAR;
12934 bookRequested = TRUE;
12940 char *tags = PGNTags(&gameInfo);
12941 TagsPopUp(tags, CmailMsg());
12945 /* end button procedures */
12948 PrintPosition(fp, move)
12954 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12955 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12956 char c = PieceToChar(boards[move][i][j]);
12957 fputc(c == 'x' ? '.' : c, fp);
12958 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12961 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12962 fprintf(fp, "white to play\n");
12964 fprintf(fp, "black to play\n");
12971 if (gameInfo.white != NULL) {
12972 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12978 /* Find last component of program's own name, using some heuristics */
12980 TidyProgramName(prog, host, buf)
12981 char *prog, *host, buf[MSG_SIZ];
12984 int local = (strcmp(host, "localhost") == 0);
12985 while (!local && (p = strchr(prog, ';')) != NULL) {
12987 while (*p == ' ') p++;
12990 if (*prog == '"' || *prog == '\'') {
12991 q = strchr(prog + 1, *prog);
12993 q = strchr(prog, ' ');
12995 if (q == NULL) q = prog + strlen(prog);
12997 while (p >= prog && *p != '/' && *p != '\\') p--;
12999 if(p == prog && *p == '"') p++;
13000 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13001 memcpy(buf, p, q - p);
13002 buf[q - p] = NULLCHAR;
13010 TimeControlTagValue()
13013 if (!appData.clockMode) {
13015 } else if (movesPerSession > 0) {
13016 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
13017 } else if (timeIncrement == 0) {
13018 sprintf(buf, "%ld", timeControl/1000);
13020 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13022 return StrSave(buf);
13028 /* This routine is used only for certain modes */
13029 VariantClass v = gameInfo.variant;
13030 ChessMove r = GameUnfinished;
13033 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13034 r = gameInfo.result;
13035 p = gameInfo.resultDetails;
13036 gameInfo.resultDetails = NULL;
13038 ClearGameInfo(&gameInfo);
13039 gameInfo.variant = v;
13041 switch (gameMode) {
13042 case MachinePlaysWhite:
13043 gameInfo.event = StrSave( appData.pgnEventHeader );
13044 gameInfo.site = StrSave(HostName());
13045 gameInfo.date = PGNDate();
13046 gameInfo.round = StrSave("-");
13047 gameInfo.white = StrSave(first.tidy);
13048 gameInfo.black = StrSave(UserName());
13049 gameInfo.timeControl = TimeControlTagValue();
13052 case MachinePlaysBlack:
13053 gameInfo.event = StrSave( appData.pgnEventHeader );
13054 gameInfo.site = StrSave(HostName());
13055 gameInfo.date = PGNDate();
13056 gameInfo.round = StrSave("-");
13057 gameInfo.white = StrSave(UserName());
13058 gameInfo.black = StrSave(first.tidy);
13059 gameInfo.timeControl = TimeControlTagValue();
13062 case TwoMachinesPlay:
13063 gameInfo.event = StrSave( appData.pgnEventHeader );
13064 gameInfo.site = StrSave(HostName());
13065 gameInfo.date = PGNDate();
13066 if (matchGame > 0) {
13068 sprintf(buf, "%d", matchGame);
13069 gameInfo.round = StrSave(buf);
13071 gameInfo.round = StrSave("-");
13073 if (first.twoMachinesColor[0] == 'w') {
13074 gameInfo.white = StrSave(first.tidy);
13075 gameInfo.black = StrSave(second.tidy);
13077 gameInfo.white = StrSave(second.tidy);
13078 gameInfo.black = StrSave(first.tidy);
13080 gameInfo.timeControl = TimeControlTagValue();
13084 gameInfo.event = StrSave("Edited game");
13085 gameInfo.site = StrSave(HostName());
13086 gameInfo.date = PGNDate();
13087 gameInfo.round = StrSave("-");
13088 gameInfo.white = StrSave("-");
13089 gameInfo.black = StrSave("-");
13090 gameInfo.result = r;
13091 gameInfo.resultDetails = p;
13095 gameInfo.event = StrSave("Edited position");
13096 gameInfo.site = StrSave(HostName());
13097 gameInfo.date = PGNDate();
13098 gameInfo.round = StrSave("-");
13099 gameInfo.white = StrSave("-");
13100 gameInfo.black = StrSave("-");
13103 case IcsPlayingWhite:
13104 case IcsPlayingBlack:
13109 case PlayFromGameFile:
13110 gameInfo.event = StrSave("Game from non-PGN file");
13111 gameInfo.site = StrSave(HostName());
13112 gameInfo.date = PGNDate();
13113 gameInfo.round = StrSave("-");
13114 gameInfo.white = StrSave("?");
13115 gameInfo.black = StrSave("?");
13124 ReplaceComment(index, text)
13130 while (*text == '\n') text++;
13131 len = strlen(text);
13132 while (len > 0 && text[len - 1] == '\n') len--;
13134 if (commentList[index] != NULL)
13135 free(commentList[index]);
13138 commentList[index] = NULL;
13141 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13142 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13143 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13144 commentList[index] = (char *) malloc(len + 2);
13145 strncpy(commentList[index], text, len);
13146 commentList[index][len] = '\n';
13147 commentList[index][len + 1] = NULLCHAR;
13149 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13151 commentList[index] = (char *) malloc(len + 6);
13152 strcpy(commentList[index], "{\n");
13153 strncpy(commentList[index]+2, text, len);
13154 commentList[index][len+2] = NULLCHAR;
13155 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13156 strcat(commentList[index], "\n}\n");
13170 if (ch == '\r') continue;
13172 } while (ch != '\0');
13176 AppendComment(index, text, addBraces)
13179 Boolean addBraces; // [HGM] braces: tells if we should add {}
13184 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13185 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13188 while (*text == '\n') text++;
13189 len = strlen(text);
13190 while (len > 0 && text[len - 1] == '\n') len--;
13192 if (len == 0) return;
13194 if (commentList[index] != NULL) {
13195 old = commentList[index];
13196 oldlen = strlen(old);
13197 while(commentList[index][oldlen-1] == '\n')
13198 commentList[index][--oldlen] = NULLCHAR;
13199 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13200 strcpy(commentList[index], old);
13202 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13203 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13204 if(addBraces) addBraces = FALSE; else { text++; len--; }
13205 while (*text == '\n') { text++; len--; }
13206 commentList[index][--oldlen] = NULLCHAR;
13208 if(addBraces) strcat(commentList[index], "\n{\n");
13209 else strcat(commentList[index], "\n");
13210 strcat(commentList[index], text);
13211 if(addBraces) strcat(commentList[index], "\n}\n");
13212 else strcat(commentList[index], "\n");
13214 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13216 strcpy(commentList[index], "{\n");
13217 else commentList[index][0] = NULLCHAR;
13218 strcat(commentList[index], text);
13219 strcat(commentList[index], "\n");
13220 if(addBraces) strcat(commentList[index], "}\n");
13224 static char * FindStr( char * text, char * sub_text )
13226 char * result = strstr( text, sub_text );
13228 if( result != NULL ) {
13229 result += strlen( sub_text );
13235 /* [AS] Try to extract PV info from PGN comment */
13236 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13237 char *GetInfoFromComment( int index, char * text )
13241 if( text != NULL && index > 0 ) {
13244 int time = -1, sec = 0, deci;
13245 char * s_eval = FindStr( text, "[%eval " );
13246 char * s_emt = FindStr( text, "[%emt " );
13248 if( s_eval != NULL || s_emt != NULL ) {
13252 if( s_eval != NULL ) {
13253 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13257 if( delim != ']' ) {
13262 if( s_emt != NULL ) {
13267 /* We expect something like: [+|-]nnn.nn/dd */
13270 if(*text != '{') return text; // [HGM] braces: must be normal comment
13272 sep = strchr( text, '/' );
13273 if( sep == NULL || sep < (text+4) ) {
13277 time = -1; sec = -1; deci = -1;
13278 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13279 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13280 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13281 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13285 if( score_lo < 0 || score_lo >= 100 ) {
13289 if(sec >= 0) time = 600*time + 10*sec; else
13290 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13292 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13294 /* [HGM] PV time: now locate end of PV info */
13295 while( *++sep >= '0' && *sep <= '9'); // strip depth
13297 while( *++sep >= '0' && *sep <= '9'); // strip time
13299 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13301 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13302 while(*sep == ' ') sep++;
13313 pvInfoList[index-1].depth = depth;
13314 pvInfoList[index-1].score = score;
13315 pvInfoList[index-1].time = 10*time; // centi-sec
13316 if(*sep == '}') *sep = 0; else *--sep = '{';
13322 SendToProgram(message, cps)
13324 ChessProgramState *cps;
13326 int count, outCount, error;
13329 if (cps->pr == NULL) return;
13332 if (appData.debugMode) {
13335 fprintf(debugFP, "%ld >%-6s: %s",
13336 SubtractTimeMarks(&now, &programStartTime),
13337 cps->which, message);
13340 count = strlen(message);
13341 outCount = OutputToProcess(cps->pr, message, count, &error);
13342 if (outCount < count && !exiting
13343 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13344 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13345 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13346 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13347 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13348 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13350 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13352 gameInfo.resultDetails = StrSave(buf);
13354 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13359 ReceiveFromProgram(isr, closure, message, count, error)
13360 InputSourceRef isr;
13368 ChessProgramState *cps = (ChessProgramState *)closure;
13370 if (isr != cps->isr) return; /* Killed intentionally */
13374 _("Error: %s chess program (%s) exited unexpectedly"),
13375 cps->which, cps->program);
13376 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13377 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13378 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13379 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13381 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13383 gameInfo.resultDetails = StrSave(buf);
13385 RemoveInputSource(cps->isr);
13386 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13389 _("Error reading from %s chess program (%s)"),
13390 cps->which, cps->program);
13391 RemoveInputSource(cps->isr);
13393 /* [AS] Program is misbehaving badly... kill it */
13394 if( count == -2 ) {
13395 DestroyChildProcess( cps->pr, 9 );
13399 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13404 if ((end_str = strchr(message, '\r')) != NULL)
13405 *end_str = NULLCHAR;
13406 if ((end_str = strchr(message, '\n')) != NULL)
13407 *end_str = NULLCHAR;
13409 if (appData.debugMode) {
13410 TimeMark now; int print = 1;
13411 char *quote = ""; char c; int i;
13413 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13414 char start = message[0];
13415 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13416 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13417 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13418 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13419 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13420 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13421 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13422 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13423 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13424 print = (appData.engineComments >= 2);
13426 message[0] = start; // restore original message
13430 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13431 SubtractTimeMarks(&now, &programStartTime), cps->which,
13437 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13438 if (appData.icsEngineAnalyze) {
13439 if (strstr(message, "whisper") != NULL ||
13440 strstr(message, "kibitz") != NULL ||
13441 strstr(message, "tellics") != NULL) return;
13444 HandleMachineMove(message, cps);
13449 SendTimeControl(cps, mps, tc, inc, sd, st)
13450 ChessProgramState *cps;
13451 int mps, inc, sd, st;
13457 if( timeControl_2 > 0 ) {
13458 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13459 tc = timeControl_2;
13462 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13463 inc /= cps->timeOdds;
13464 st /= cps->timeOdds;
13466 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13469 /* Set exact time per move, normally using st command */
13470 if (cps->stKludge) {
13471 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13473 if (seconds == 0) {
13474 sprintf(buf, "level 1 %d\n", st/60);
13476 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13479 sprintf(buf, "st %d\n", st);
13482 /* Set conventional or incremental time control, using level command */
13483 if (seconds == 0) {
13484 /* Note old gnuchess bug -- minutes:seconds used to not work.
13485 Fixed in later versions, but still avoid :seconds
13486 when seconds is 0. */
13487 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13489 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13490 seconds, inc/1000);
13493 SendToProgram(buf, cps);
13495 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13496 /* Orthogonally, limit search to given depth */
13498 if (cps->sdKludge) {
13499 sprintf(buf, "depth\n%d\n", sd);
13501 sprintf(buf, "sd %d\n", sd);
13503 SendToProgram(buf, cps);
13506 if(cps->nps > 0) { /* [HGM] nps */
13507 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13509 sprintf(buf, "nps %d\n", cps->nps);
13510 SendToProgram(buf, cps);
13515 ChessProgramState *WhitePlayer()
13516 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13518 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13519 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13525 SendTimeRemaining(cps, machineWhite)
13526 ChessProgramState *cps;
13527 int /*boolean*/ machineWhite;
13529 char message[MSG_SIZ];
13532 /* Note: this routine must be called when the clocks are stopped
13533 or when they have *just* been set or switched; otherwise
13534 it will be off by the time since the current tick started.
13536 if (machineWhite) {
13537 time = whiteTimeRemaining / 10;
13538 otime = blackTimeRemaining / 10;
13540 time = blackTimeRemaining / 10;
13541 otime = whiteTimeRemaining / 10;
13543 /* [HGM] translate opponent's time by time-odds factor */
13544 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13545 if (appData.debugMode) {
13546 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13549 if (time <= 0) time = 1;
13550 if (otime <= 0) otime = 1;
13552 sprintf(message, "time %ld\n", time);
13553 SendToProgram(message, cps);
13555 sprintf(message, "otim %ld\n", otime);
13556 SendToProgram(message, cps);
13560 BoolFeature(p, name, loc, cps)
13564 ChessProgramState *cps;
13567 int len = strlen(name);
13569 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13571 sscanf(*p, "%d", &val);
13573 while (**p && **p != ' ') (*p)++;
13574 sprintf(buf, "accepted %s\n", name);
13575 SendToProgram(buf, cps);
13582 IntFeature(p, name, loc, cps)
13586 ChessProgramState *cps;
13589 int len = strlen(name);
13590 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13592 sscanf(*p, "%d", loc);
13593 while (**p && **p != ' ') (*p)++;
13594 sprintf(buf, "accepted %s\n", name);
13595 SendToProgram(buf, cps);
13602 StringFeature(p, name, loc, cps)
13606 ChessProgramState *cps;
13609 int len = strlen(name);
13610 if (strncmp((*p), name, len) == 0
13611 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13613 sscanf(*p, "%[^\"]", loc);
13614 while (**p && **p != '\"') (*p)++;
13615 if (**p == '\"') (*p)++;
13616 sprintf(buf, "accepted %s\n", name);
13617 SendToProgram(buf, cps);
13624 ParseOption(Option *opt, ChessProgramState *cps)
13625 // [HGM] options: process the string that defines an engine option, and determine
13626 // name, type, default value, and allowed value range
13628 char *p, *q, buf[MSG_SIZ];
13629 int n, min = (-1)<<31, max = 1<<31, def;
13631 if(p = strstr(opt->name, " -spin ")) {
13632 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13633 if(max < min) max = min; // enforce consistency
13634 if(def < min) def = min;
13635 if(def > max) def = max;
13640 } else if((p = strstr(opt->name, " -slider "))) {
13641 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13642 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13643 if(max < min) max = min; // enforce consistency
13644 if(def < min) def = min;
13645 if(def > max) def = max;
13649 opt->type = Spin; // Slider;
13650 } else if((p = strstr(opt->name, " -string "))) {
13651 opt->textValue = p+9;
13652 opt->type = TextBox;
13653 } else if((p = strstr(opt->name, " -file "))) {
13654 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13655 opt->textValue = p+7;
13656 opt->type = TextBox; // FileName;
13657 } else if((p = strstr(opt->name, " -path "))) {
13658 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13659 opt->textValue = p+7;
13660 opt->type = TextBox; // PathName;
13661 } else if(p = strstr(opt->name, " -check ")) {
13662 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13663 opt->value = (def != 0);
13664 opt->type = CheckBox;
13665 } else if(p = strstr(opt->name, " -combo ")) {
13666 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13667 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13668 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13669 opt->value = n = 0;
13670 while(q = StrStr(q, " /// ")) {
13671 n++; *q = 0; // count choices, and null-terminate each of them
13673 if(*q == '*') { // remember default, which is marked with * prefix
13677 cps->comboList[cps->comboCnt++] = q;
13679 cps->comboList[cps->comboCnt++] = NULL;
13681 opt->type = ComboBox;
13682 } else if(p = strstr(opt->name, " -button")) {
13683 opt->type = Button;
13684 } else if(p = strstr(opt->name, " -save")) {
13685 opt->type = SaveButton;
13686 } else return FALSE;
13687 *p = 0; // terminate option name
13688 // now look if the command-line options define a setting for this engine option.
13689 if(cps->optionSettings && cps->optionSettings[0])
13690 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13691 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13692 sprintf(buf, "option %s", p);
13693 if(p = strstr(buf, ",")) *p = 0;
13695 SendToProgram(buf, cps);
13701 FeatureDone(cps, val)
13702 ChessProgramState* cps;
13705 DelayedEventCallback cb = GetDelayedEvent();
13706 if ((cb == InitBackEnd3 && cps == &first) ||
13707 (cb == TwoMachinesEventIfReady && cps == &second)) {
13708 CancelDelayedEvent();
13709 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13711 cps->initDone = val;
13714 /* Parse feature command from engine */
13716 ParseFeatures(args, cps)
13718 ChessProgramState *cps;
13726 while (*p == ' ') p++;
13727 if (*p == NULLCHAR) return;
13729 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13730 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13731 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13732 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13733 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13734 if (BoolFeature(&p, "reuse", &val, cps)) {
13735 /* Engine can disable reuse, but can't enable it if user said no */
13736 if (!val) cps->reuse = FALSE;
13739 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13740 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13741 if (gameMode == TwoMachinesPlay) {
13742 DisplayTwoMachinesTitle();
13748 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13749 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13750 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13751 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13752 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13753 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13754 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13755 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13756 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13757 if (IntFeature(&p, "done", &val, cps)) {
13758 FeatureDone(cps, val);
13761 /* Added by Tord: */
13762 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13763 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13764 /* End of additions by Tord */
13766 /* [HGM] added features: */
13767 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13768 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13769 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13770 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13771 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13772 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13773 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13774 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13775 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13776 SendToProgram(buf, cps);
13779 if(cps->nrOptions >= MAX_OPTIONS) {
13781 sprintf(buf, "%s engine has too many options\n", cps->which);
13782 DisplayError(buf, 0);
13786 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13787 /* End of additions by HGM */
13789 /* unknown feature: complain and skip */
13791 while (*q && *q != '=') q++;
13792 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13793 SendToProgram(buf, cps);
13799 while (*p && *p != '\"') p++;
13800 if (*p == '\"') p++;
13802 while (*p && *p != ' ') p++;
13810 PeriodicUpdatesEvent(newState)
13813 if (newState == appData.periodicUpdates)
13816 appData.periodicUpdates=newState;
13818 /* Display type changes, so update it now */
13819 // DisplayAnalysis();
13821 /* Get the ball rolling again... */
13823 AnalysisPeriodicEvent(1);
13824 StartAnalysisClock();
13829 PonderNextMoveEvent(newState)
13832 if (newState == appData.ponderNextMove) return;
13833 if (gameMode == EditPosition) EditPositionDone(TRUE);
13835 SendToProgram("hard\n", &first);
13836 if (gameMode == TwoMachinesPlay) {
13837 SendToProgram("hard\n", &second);
13840 SendToProgram("easy\n", &first);
13841 thinkOutput[0] = NULLCHAR;
13842 if (gameMode == TwoMachinesPlay) {
13843 SendToProgram("easy\n", &second);
13846 appData.ponderNextMove = newState;
13850 NewSettingEvent(option, command, value)
13856 if (gameMode == EditPosition) EditPositionDone(TRUE);
13857 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13858 SendToProgram(buf, &first);
13859 if (gameMode == TwoMachinesPlay) {
13860 SendToProgram(buf, &second);
13865 ShowThinkingEvent()
13866 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13868 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13869 int newState = appData.showThinking
13870 // [HGM] thinking: other features now need thinking output as well
13871 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13873 if (oldState == newState) return;
13874 oldState = newState;
13875 if (gameMode == EditPosition) EditPositionDone(TRUE);
13877 SendToProgram("post\n", &first);
13878 if (gameMode == TwoMachinesPlay) {
13879 SendToProgram("post\n", &second);
13882 SendToProgram("nopost\n", &first);
13883 thinkOutput[0] = NULLCHAR;
13884 if (gameMode == TwoMachinesPlay) {
13885 SendToProgram("nopost\n", &second);
13888 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13892 AskQuestionEvent(title, question, replyPrefix, which)
13893 char *title; char *question; char *replyPrefix; char *which;
13895 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13896 if (pr == NoProc) return;
13897 AskQuestion(title, question, replyPrefix, pr);
13901 DisplayMove(moveNumber)
13904 char message[MSG_SIZ];
13906 char cpThinkOutput[MSG_SIZ];
13908 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13910 if (moveNumber == forwardMostMove - 1 ||
13911 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13913 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13915 if (strchr(cpThinkOutput, '\n')) {
13916 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13919 *cpThinkOutput = NULLCHAR;
13922 /* [AS] Hide thinking from human user */
13923 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13924 *cpThinkOutput = NULLCHAR;
13925 if( thinkOutput[0] != NULLCHAR ) {
13928 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13929 cpThinkOutput[i] = '.';
13931 cpThinkOutput[i] = NULLCHAR;
13932 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13936 if (moveNumber == forwardMostMove - 1 &&
13937 gameInfo.resultDetails != NULL) {
13938 if (gameInfo.resultDetails[0] == NULLCHAR) {
13939 sprintf(res, " %s", PGNResult(gameInfo.result));
13941 sprintf(res, " {%s} %s",
13942 gameInfo.resultDetails, PGNResult(gameInfo.result));
13948 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13949 DisplayMessage(res, cpThinkOutput);
13951 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13952 WhiteOnMove(moveNumber) ? " " : ".. ",
13953 parseList[moveNumber], res);
13954 DisplayMessage(message, cpThinkOutput);
13959 DisplayComment(moveNumber, text)
13963 char title[MSG_SIZ];
13964 char buf[8000]; // comment can be long!
13967 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13968 strcpy(title, "Comment");
13970 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13971 WhiteOnMove(moveNumber) ? " " : ".. ",
13972 parseList[moveNumber]);
13974 // [HGM] PV info: display PV info together with (or as) comment
13975 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13976 if(text == NULL) text = "";
13977 score = pvInfoList[moveNumber].score;
13978 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13979 depth, (pvInfoList[moveNumber].time+50)/100, text);
13982 if (text != NULL && (appData.autoDisplayComment || commentUp))
13983 CommentPopUp(title, text);
13986 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13987 * might be busy thinking or pondering. It can be omitted if your
13988 * gnuchess is configured to stop thinking immediately on any user
13989 * input. However, that gnuchess feature depends on the FIONREAD
13990 * ioctl, which does not work properly on some flavors of Unix.
13994 ChessProgramState *cps;
13997 if (!cps->useSigint) return;
13998 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13999 switch (gameMode) {
14000 case MachinePlaysWhite:
14001 case MachinePlaysBlack:
14002 case TwoMachinesPlay:
14003 case IcsPlayingWhite:
14004 case IcsPlayingBlack:
14007 /* Skip if we know it isn't thinking */
14008 if (!cps->maybeThinking) return;
14009 if (appData.debugMode)
14010 fprintf(debugFP, "Interrupting %s\n", cps->which);
14011 InterruptChildProcess(cps->pr);
14012 cps->maybeThinking = FALSE;
14017 #endif /*ATTENTION*/
14023 if (whiteTimeRemaining <= 0) {
14026 if (appData.icsActive) {
14027 if (appData.autoCallFlag &&
14028 gameMode == IcsPlayingBlack && !blackFlag) {
14029 SendToICS(ics_prefix);
14030 SendToICS("flag\n");
14034 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14036 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14037 if (appData.autoCallFlag) {
14038 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14045 if (blackTimeRemaining <= 0) {
14048 if (appData.icsActive) {
14049 if (appData.autoCallFlag &&
14050 gameMode == IcsPlayingWhite && !whiteFlag) {
14051 SendToICS(ics_prefix);
14052 SendToICS("flag\n");
14056 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14058 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14059 if (appData.autoCallFlag) {
14060 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14073 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14074 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14077 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14079 if ( !WhiteOnMove(forwardMostMove) )
14080 /* White made time control */
14081 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14082 /* [HGM] time odds: correct new time quota for time odds! */
14083 / WhitePlayer()->timeOdds;
14085 /* Black made time control */
14086 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14087 / WhitePlayer()->other->timeOdds;
14091 DisplayBothClocks()
14093 int wom = gameMode == EditPosition ?
14094 !blackPlaysFirst : WhiteOnMove(currentMove);
14095 DisplayWhiteClock(whiteTimeRemaining, wom);
14096 DisplayBlackClock(blackTimeRemaining, !wom);
14100 /* Timekeeping seems to be a portability nightmare. I think everyone
14101 has ftime(), but I'm really not sure, so I'm including some ifdefs
14102 to use other calls if you don't. Clocks will be less accurate if
14103 you have neither ftime nor gettimeofday.
14106 /* VS 2008 requires the #include outside of the function */
14107 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14108 #include <sys/timeb.h>
14111 /* Get the current time as a TimeMark */
14116 #if HAVE_GETTIMEOFDAY
14118 struct timeval timeVal;
14119 struct timezone timeZone;
14121 gettimeofday(&timeVal, &timeZone);
14122 tm->sec = (long) timeVal.tv_sec;
14123 tm->ms = (int) (timeVal.tv_usec / 1000L);
14125 #else /*!HAVE_GETTIMEOFDAY*/
14128 // include <sys/timeb.h> / moved to just above start of function
14129 struct timeb timeB;
14132 tm->sec = (long) timeB.time;
14133 tm->ms = (int) timeB.millitm;
14135 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14136 tm->sec = (long) time(NULL);
14142 /* Return the difference in milliseconds between two
14143 time marks. We assume the difference will fit in a long!
14146 SubtractTimeMarks(tm2, tm1)
14147 TimeMark *tm2, *tm1;
14149 return 1000L*(tm2->sec - tm1->sec) +
14150 (long) (tm2->ms - tm1->ms);
14155 * Code to manage the game clocks.
14157 * In tournament play, black starts the clock and then white makes a move.
14158 * We give the human user a slight advantage if he is playing white---the
14159 * clocks don't run until he makes his first move, so it takes zero time.
14160 * Also, we don't account for network lag, so we could get out of sync
14161 * with GNU Chess's clock -- but then, referees are always right.
14164 static TimeMark tickStartTM;
14165 static long intendedTickLength;
14168 NextTickLength(timeRemaining)
14169 long timeRemaining;
14171 long nominalTickLength, nextTickLength;
14173 if (timeRemaining > 0L && timeRemaining <= 10000L)
14174 nominalTickLength = 100L;
14176 nominalTickLength = 1000L;
14177 nextTickLength = timeRemaining % nominalTickLength;
14178 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14180 return nextTickLength;
14183 /* Adjust clock one minute up or down */
14185 AdjustClock(Boolean which, int dir)
14187 if(which) blackTimeRemaining += 60000*dir;
14188 else whiteTimeRemaining += 60000*dir;
14189 DisplayBothClocks();
14192 /* Stop clocks and reset to a fresh time control */
14196 (void) StopClockTimer();
14197 if (appData.icsActive) {
14198 whiteTimeRemaining = blackTimeRemaining = 0;
14199 } else if (searchTime) {
14200 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14201 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14202 } else { /* [HGM] correct new time quote for time odds */
14203 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14204 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14206 if (whiteFlag || blackFlag) {
14208 whiteFlag = blackFlag = FALSE;
14210 DisplayBothClocks();
14213 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14215 /* Decrement running clock by amount of time that has passed */
14219 long timeRemaining;
14220 long lastTickLength, fudge;
14223 if (!appData.clockMode) return;
14224 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14228 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14230 /* Fudge if we woke up a little too soon */
14231 fudge = intendedTickLength - lastTickLength;
14232 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14234 if (WhiteOnMove(forwardMostMove)) {
14235 if(whiteNPS >= 0) lastTickLength = 0;
14236 timeRemaining = whiteTimeRemaining -= lastTickLength;
14237 DisplayWhiteClock(whiteTimeRemaining - fudge,
14238 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14240 if(blackNPS >= 0) lastTickLength = 0;
14241 timeRemaining = blackTimeRemaining -= lastTickLength;
14242 DisplayBlackClock(blackTimeRemaining - fudge,
14243 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14246 if (CheckFlags()) return;
14249 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14250 StartClockTimer(intendedTickLength);
14252 /* if the time remaining has fallen below the alarm threshold, sound the
14253 * alarm. if the alarm has sounded and (due to a takeback or time control
14254 * with increment) the time remaining has increased to a level above the
14255 * threshold, reset the alarm so it can sound again.
14258 if (appData.icsActive && appData.icsAlarm) {
14260 /* make sure we are dealing with the user's clock */
14261 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14262 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14265 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14266 alarmSounded = FALSE;
14267 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14269 alarmSounded = TRUE;
14275 /* A player has just moved, so stop the previously running
14276 clock and (if in clock mode) start the other one.
14277 We redisplay both clocks in case we're in ICS mode, because
14278 ICS gives us an update to both clocks after every move.
14279 Note that this routine is called *after* forwardMostMove
14280 is updated, so the last fractional tick must be subtracted
14281 from the color that is *not* on move now.
14284 SwitchClocks(int newMoveNr)
14286 long lastTickLength;
14288 int flagged = FALSE;
14292 if (StopClockTimer() && appData.clockMode) {
14293 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14294 if (!WhiteOnMove(forwardMostMove)) {
14295 if(blackNPS >= 0) lastTickLength = 0;
14296 blackTimeRemaining -= lastTickLength;
14297 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14298 // if(pvInfoList[forwardMostMove-1].time == -1)
14299 pvInfoList[forwardMostMove-1].time = // use GUI time
14300 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14302 if(whiteNPS >= 0) lastTickLength = 0;
14303 whiteTimeRemaining -= lastTickLength;
14304 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14305 // if(pvInfoList[forwardMostMove-1].time == -1)
14306 pvInfoList[forwardMostMove-1].time =
14307 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14309 flagged = CheckFlags();
14311 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14312 CheckTimeControl();
14314 if (flagged || !appData.clockMode) return;
14316 switch (gameMode) {
14317 case MachinePlaysBlack:
14318 case MachinePlaysWhite:
14319 case BeginningOfGame:
14320 if (pausing) return;
14324 case PlayFromGameFile:
14332 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14333 if(WhiteOnMove(forwardMostMove))
14334 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14335 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14339 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14340 whiteTimeRemaining : blackTimeRemaining);
14341 StartClockTimer(intendedTickLength);
14345 /* Stop both clocks */
14349 long lastTickLength;
14352 if (!StopClockTimer()) return;
14353 if (!appData.clockMode) return;
14357 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14358 if (WhiteOnMove(forwardMostMove)) {
14359 if(whiteNPS >= 0) lastTickLength = 0;
14360 whiteTimeRemaining -= lastTickLength;
14361 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14363 if(blackNPS >= 0) lastTickLength = 0;
14364 blackTimeRemaining -= lastTickLength;
14365 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14370 /* Start clock of player on move. Time may have been reset, so
14371 if clock is already running, stop and restart it. */
14375 (void) StopClockTimer(); /* in case it was running already */
14376 DisplayBothClocks();
14377 if (CheckFlags()) return;
14379 if (!appData.clockMode) return;
14380 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14382 GetTimeMark(&tickStartTM);
14383 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14384 whiteTimeRemaining : blackTimeRemaining);
14386 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14387 whiteNPS = blackNPS = -1;
14388 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14389 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14390 whiteNPS = first.nps;
14391 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14392 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14393 blackNPS = first.nps;
14394 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14395 whiteNPS = second.nps;
14396 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14397 blackNPS = second.nps;
14398 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14400 StartClockTimer(intendedTickLength);
14407 long second, minute, hour, day;
14409 static char buf[32];
14411 if (ms > 0 && ms <= 9900) {
14412 /* convert milliseconds to tenths, rounding up */
14413 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14415 sprintf(buf, " %03.1f ", tenths/10.0);
14419 /* convert milliseconds to seconds, rounding up */
14420 /* use floating point to avoid strangeness of integer division
14421 with negative dividends on many machines */
14422 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14429 day = second / (60 * 60 * 24);
14430 second = second % (60 * 60 * 24);
14431 hour = second / (60 * 60);
14432 second = second % (60 * 60);
14433 minute = second / 60;
14434 second = second % 60;
14437 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14438 sign, day, hour, minute, second);
14440 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14442 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14449 * This is necessary because some C libraries aren't ANSI C compliant yet.
14452 StrStr(string, match)
14453 char *string, *match;
14457 length = strlen(match);
14459 for (i = strlen(string) - length; i >= 0; i--, string++)
14460 if (!strncmp(match, string, length))
14467 StrCaseStr(string, match)
14468 char *string, *match;
14472 length = strlen(match);
14474 for (i = strlen(string) - length; i >= 0; i--, string++) {
14475 for (j = 0; j < length; j++) {
14476 if (ToLower(match[j]) != ToLower(string[j]))
14479 if (j == length) return string;
14493 c1 = ToLower(*s1++);
14494 c2 = ToLower(*s2++);
14495 if (c1 > c2) return 1;
14496 if (c1 < c2) return -1;
14497 if (c1 == NULLCHAR) return 0;
14506 return isupper(c) ? tolower(c) : c;
14514 return islower(c) ? toupper(c) : c;
14516 #endif /* !_amigados */
14524 if ((ret = (char *) malloc(strlen(s) + 1))) {
14531 StrSavePtr(s, savePtr)
14532 char *s, **savePtr;
14537 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14538 strcpy(*savePtr, s);
14550 clock = time((time_t *)NULL);
14551 tm = localtime(&clock);
14552 sprintf(buf, "%04d.%02d.%02d",
14553 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14554 return StrSave(buf);
14559 PositionToFEN(move, overrideCastling)
14561 char *overrideCastling;
14563 int i, j, fromX, fromY, toX, toY;
14570 whiteToPlay = (gameMode == EditPosition) ?
14571 !blackPlaysFirst : (move % 2 == 0);
14574 /* Piece placement data */
14575 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14577 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14578 if (boards[move][i][j] == EmptySquare) {
14580 } else { ChessSquare piece = boards[move][i][j];
14581 if (emptycount > 0) {
14582 if(emptycount<10) /* [HGM] can be >= 10 */
14583 *p++ = '0' + emptycount;
14584 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14587 if(PieceToChar(piece) == '+') {
14588 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14590 piece = (ChessSquare)(DEMOTED piece);
14592 *p++ = PieceToChar(piece);
14594 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14595 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14600 if (emptycount > 0) {
14601 if(emptycount<10) /* [HGM] can be >= 10 */
14602 *p++ = '0' + emptycount;
14603 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14610 /* [HGM] print Crazyhouse or Shogi holdings */
14611 if( gameInfo.holdingsWidth ) {
14612 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14614 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14615 piece = boards[move][i][BOARD_WIDTH-1];
14616 if( piece != EmptySquare )
14617 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14618 *p++ = PieceToChar(piece);
14620 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14621 piece = boards[move][BOARD_HEIGHT-i-1][0];
14622 if( piece != EmptySquare )
14623 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14624 *p++ = PieceToChar(piece);
14627 if( q == p ) *p++ = '-';
14633 *p++ = whiteToPlay ? 'w' : 'b';
14636 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14637 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14639 if(nrCastlingRights) {
14641 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14642 /* [HGM] write directly from rights */
14643 if(boards[move][CASTLING][2] != NoRights &&
14644 boards[move][CASTLING][0] != NoRights )
14645 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14646 if(boards[move][CASTLING][2] != NoRights &&
14647 boards[move][CASTLING][1] != NoRights )
14648 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14649 if(boards[move][CASTLING][5] != NoRights &&
14650 boards[move][CASTLING][3] != NoRights )
14651 *p++ = boards[move][CASTLING][3] + AAA;
14652 if(boards[move][CASTLING][5] != NoRights &&
14653 boards[move][CASTLING][4] != NoRights )
14654 *p++ = boards[move][CASTLING][4] + AAA;
14657 /* [HGM] write true castling rights */
14658 if( nrCastlingRights == 6 ) {
14659 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14660 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14661 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14662 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14663 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14664 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14665 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14666 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14669 if (q == p) *p++ = '-'; /* No castling rights */
14673 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14674 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14675 /* En passant target square */
14676 if (move > backwardMostMove) {
14677 fromX = moveList[move - 1][0] - AAA;
14678 fromY = moveList[move - 1][1] - ONE;
14679 toX = moveList[move - 1][2] - AAA;
14680 toY = moveList[move - 1][3] - ONE;
14681 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14682 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14683 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14685 /* 2-square pawn move just happened */
14687 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14691 } else if(move == backwardMostMove) {
14692 // [HGM] perhaps we should always do it like this, and forget the above?
14693 if((signed char)boards[move][EP_STATUS] >= 0) {
14694 *p++ = boards[move][EP_STATUS] + AAA;
14695 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14706 /* [HGM] find reversible plies */
14707 { int i = 0, j=move;
14709 if (appData.debugMode) { int k;
14710 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14711 for(k=backwardMostMove; k<=forwardMostMove; k++)
14712 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14716 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14717 if( j == backwardMostMove ) i += initialRulePlies;
14718 sprintf(p, "%d ", i);
14719 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14721 /* Fullmove number */
14722 sprintf(p, "%d", (move / 2) + 1);
14724 return StrSave(buf);
14728 ParseFEN(board, blackPlaysFirst, fen)
14730 int *blackPlaysFirst;
14740 /* [HGM] by default clear Crazyhouse holdings, if present */
14741 if(gameInfo.holdingsWidth) {
14742 for(i=0; i<BOARD_HEIGHT; i++) {
14743 board[i][0] = EmptySquare; /* black holdings */
14744 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14745 board[i][1] = (ChessSquare) 0; /* black counts */
14746 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14750 /* Piece placement data */
14751 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14754 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14755 if (*p == '/') p++;
14756 emptycount = gameInfo.boardWidth - j;
14757 while (emptycount--)
14758 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14760 #if(BOARD_FILES >= 10)
14761 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14762 p++; emptycount=10;
14763 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14764 while (emptycount--)
14765 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14767 } else if (isdigit(*p)) {
14768 emptycount = *p++ - '0';
14769 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14770 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14771 while (emptycount--)
14772 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14773 } else if (*p == '+' || isalpha(*p)) {
14774 if (j >= gameInfo.boardWidth) return FALSE;
14776 piece = CharToPiece(*++p);
14777 if(piece == EmptySquare) return FALSE; /* unknown piece */
14778 piece = (ChessSquare) (PROMOTED piece ); p++;
14779 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14780 } else piece = CharToPiece(*p++);
14782 if(piece==EmptySquare) return FALSE; /* unknown piece */
14783 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14784 piece = (ChessSquare) (PROMOTED piece);
14785 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14788 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14794 while (*p == '/' || *p == ' ') p++;
14796 /* [HGM] look for Crazyhouse holdings here */
14797 while(*p==' ') p++;
14798 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14800 if(*p == '-' ) *p++; /* empty holdings */ else {
14801 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14802 /* if we would allow FEN reading to set board size, we would */
14803 /* have to add holdings and shift the board read so far here */
14804 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14806 if((int) piece >= (int) BlackPawn ) {
14807 i = (int)piece - (int)BlackPawn;
14808 i = PieceToNumber((ChessSquare)i);
14809 if( i >= gameInfo.holdingsSize ) return FALSE;
14810 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14811 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14813 i = (int)piece - (int)WhitePawn;
14814 i = PieceToNumber((ChessSquare)i);
14815 if( i >= gameInfo.holdingsSize ) return FALSE;
14816 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14817 board[i][BOARD_WIDTH-2]++; /* black holdings */
14821 if(*p == ']') *p++;
14824 while(*p == ' ') p++;
14829 *blackPlaysFirst = FALSE;
14832 *blackPlaysFirst = TRUE;
14838 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14839 /* return the extra info in global variiables */
14841 /* set defaults in case FEN is incomplete */
14842 board[EP_STATUS] = EP_UNKNOWN;
14843 for(i=0; i<nrCastlingRights; i++ ) {
14844 board[CASTLING][i] =
14845 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14846 } /* assume possible unless obviously impossible */
14847 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14848 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14849 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14850 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14851 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14852 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14853 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14854 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14857 while(*p==' ') p++;
14858 if(nrCastlingRights) {
14859 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14860 /* castling indicator present, so default becomes no castlings */
14861 for(i=0; i<nrCastlingRights; i++ ) {
14862 board[CASTLING][i] = NoRights;
14865 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14866 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14867 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14868 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14869 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14871 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14872 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14873 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14875 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14876 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14877 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14878 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14879 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14880 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14883 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14884 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14885 board[CASTLING][2] = whiteKingFile;
14888 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14889 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14890 board[CASTLING][2] = whiteKingFile;
14893 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14894 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14895 board[CASTLING][5] = blackKingFile;
14898 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14899 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14900 board[CASTLING][5] = blackKingFile;
14903 default: /* FRC castlings */
14904 if(c >= 'a') { /* black rights */
14905 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14906 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14907 if(i == BOARD_RGHT) break;
14908 board[CASTLING][5] = i;
14910 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14911 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14913 board[CASTLING][3] = c;
14915 board[CASTLING][4] = c;
14916 } else { /* white rights */
14917 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14918 if(board[0][i] == WhiteKing) break;
14919 if(i == BOARD_RGHT) break;
14920 board[CASTLING][2] = i;
14921 c -= AAA - 'a' + 'A';
14922 if(board[0][c] >= WhiteKing) break;
14924 board[CASTLING][0] = c;
14926 board[CASTLING][1] = c;
14930 for(i=0; i<nrCastlingRights; i++)
14931 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14932 if (appData.debugMode) {
14933 fprintf(debugFP, "FEN castling rights:");
14934 for(i=0; i<nrCastlingRights; i++)
14935 fprintf(debugFP, " %d", board[CASTLING][i]);
14936 fprintf(debugFP, "\n");
14939 while(*p==' ') p++;
14942 /* read e.p. field in games that know e.p. capture */
14943 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14944 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14946 p++; board[EP_STATUS] = EP_NONE;
14948 char c = *p++ - AAA;
14950 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14951 if(*p >= '0' && *p <='9') *p++;
14952 board[EP_STATUS] = c;
14957 if(sscanf(p, "%d", &i) == 1) {
14958 FENrulePlies = i; /* 50-move ply counter */
14959 /* (The move number is still ignored) */
14966 EditPositionPasteFEN(char *fen)
14969 Board initial_position;
14971 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14972 DisplayError(_("Bad FEN position in clipboard"), 0);
14975 int savedBlackPlaysFirst = blackPlaysFirst;
14976 EditPositionEvent();
14977 blackPlaysFirst = savedBlackPlaysFirst;
14978 CopyBoard(boards[0], initial_position);
14979 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14980 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14981 DisplayBothClocks();
14982 DrawPosition(FALSE, boards[currentMove]);
14987 static char cseq[12] = "\\ ";
14989 Boolean set_cont_sequence(char *new_seq)
14994 // handle bad attempts to set the sequence
14996 return 0; // acceptable error - no debug
14998 len = strlen(new_seq);
14999 ret = (len > 0) && (len < sizeof(cseq));
15001 strcpy(cseq, new_seq);
15002 else if (appData.debugMode)
15003 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15008 reformat a source message so words don't cross the width boundary. internal
15009 newlines are not removed. returns the wrapped size (no null character unless
15010 included in source message). If dest is NULL, only calculate the size required
15011 for the dest buffer. lp argument indicats line position upon entry, and it's
15012 passed back upon exit.
15014 int wrap(char *dest, char *src, int count, int width, int *lp)
15016 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15018 cseq_len = strlen(cseq);
15019 old_line = line = *lp;
15020 ansi = len = clen = 0;
15022 for (i=0; i < count; i++)
15024 if (src[i] == '\033')
15027 // if we hit the width, back up
15028 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15030 // store i & len in case the word is too long
15031 old_i = i, old_len = len;
15033 // find the end of the last word
15034 while (i && src[i] != ' ' && src[i] != '\n')
15040 // word too long? restore i & len before splitting it
15041 if ((old_i-i+clen) >= width)
15048 if (i && src[i-1] == ' ')
15051 if (src[i] != ' ' && src[i] != '\n')
15058 // now append the newline and continuation sequence
15063 strncpy(dest+len, cseq, cseq_len);
15071 dest[len] = src[i];
15075 if (src[i] == '\n')
15080 if (dest && appData.debugMode)
15082 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15083 count, width, line, len, *lp);
15084 show_bytes(debugFP, src, count);
15085 fprintf(debugFP, "\ndest: ");
15086 show_bytes(debugFP, dest, len);
15087 fprintf(debugFP, "\n");
15089 *lp = dest ? line : old_line;
15094 // [HGM] vari: routines for shelving variations
15097 PushTail(int firstMove, int lastMove)
15099 int i, j, nrMoves = lastMove - firstMove;
15101 if(appData.icsActive) { // only in local mode
15102 forwardMostMove = currentMove; // mimic old ICS behavior
15105 if(storedGames >= MAX_VARIATIONS-1) return;
15107 // push current tail of game on stack
15108 savedResult[storedGames] = gameInfo.result;
15109 savedDetails[storedGames] = gameInfo.resultDetails;
15110 gameInfo.resultDetails = NULL;
15111 savedFirst[storedGames] = firstMove;
15112 savedLast [storedGames] = lastMove;
15113 savedFramePtr[storedGames] = framePtr;
15114 framePtr -= nrMoves; // reserve space for the boards
15115 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15116 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15117 for(j=0; j<MOVE_LEN; j++)
15118 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15119 for(j=0; j<2*MOVE_LEN; j++)
15120 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15121 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15122 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15123 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15124 pvInfoList[firstMove+i-1].depth = 0;
15125 commentList[framePtr+i] = commentList[firstMove+i];
15126 commentList[firstMove+i] = NULL;
15130 forwardMostMove = firstMove; // truncate game so we can start variation
15131 if(storedGames == 1) GreyRevert(FALSE);
15135 PopTail(Boolean annotate)
15138 char buf[8000], moveBuf[20];
15140 if(appData.icsActive) return FALSE; // only in local mode
15141 if(!storedGames) return FALSE; // sanity
15142 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15145 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15146 nrMoves = savedLast[storedGames] - currentMove;
15149 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15150 else strcpy(buf, "(");
15151 for(i=currentMove; i<forwardMostMove; i++) {
15153 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15154 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15155 strcat(buf, moveBuf);
15156 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15157 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15161 for(i=1; i<=nrMoves; i++) { // copy last variation back
15162 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15163 for(j=0; j<MOVE_LEN; j++)
15164 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15165 for(j=0; j<2*MOVE_LEN; j++)
15166 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15167 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15168 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15169 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15170 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15171 commentList[currentMove+i] = commentList[framePtr+i];
15172 commentList[framePtr+i] = NULL;
15174 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15175 framePtr = savedFramePtr[storedGames];
15176 gameInfo.result = savedResult[storedGames];
15177 if(gameInfo.resultDetails != NULL) {
15178 free(gameInfo.resultDetails);
15180 gameInfo.resultDetails = savedDetails[storedGames];
15181 forwardMostMove = currentMove + nrMoves;
15182 if(storedGames == 0) GreyRevert(TRUE);
15188 { // remove all shelved variations
15190 for(i=0; i<storedGames; i++) {
15191 if(savedDetails[i])
15192 free(savedDetails[i]);
15193 savedDetails[i] = NULL;
15195 for(i=framePtr; i<MAX_MOVES; i++) {
15196 if(commentList[i]) free(commentList[i]);
15197 commentList[i] = NULL;
15199 framePtr = MAX_MOVES-1;
15204 LoadVariation(int index, char *text)
15205 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15206 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15207 int level = 0, move;
15209 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15210 // first find outermost bracketing variation
15211 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15212 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15213 if(*p == '{') wait = '}'; else
15214 if(*p == '[') wait = ']'; else
15215 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15216 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15218 if(*p == wait) wait = NULLCHAR; // closing ]} found
15221 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15222 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15223 end[1] = NULLCHAR; // clip off comment beyond variation
15224 ToNrEvent(currentMove-1);
15225 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15226 // kludge: use ParsePV() to append variation to game
15227 move = currentMove;
15228 ParsePV(start, TRUE);
15229 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15230 ClearPremoveHighlights();
15232 ToNrEvent(currentMove+1);